20010505920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{3119}}^1$

素因数の和:3343

約数の個数: 224

約数和(自身を含む): 65503226880

約数和(自身を除く): 45492720960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 160, 163, 164, 192, 205, 240, 246, 320, 326, 328, 410, 480, 489, 492, 615, 652, 656, 815, 820, 960, 978, 984, 1230, 1304, 1312, 1630, 1640, 1956, 1968, 2445, 2460, 2608, 2624, 3119, 3260, 3280, 3912, 3936, 4890, 4920, 5216, 6238, 6520, 6560, 6683, 7824, 7872, 9357, 9780, 9840, 10432, 12476, 13040, 13120, 13366, 15595, 15648, 18714, 19560, 19680, 20049, 24952, 26080, 26732, 31190, 31296, 33415, 37428, 39120, 39360, 40098, 46785, 49904, 52160, 53464, 62380, 66830, 74856, 78240, 80196, 93570, 99808, 100245, 106928, 124760, 127879, 133660, 149712, 156480, 160392, 187140, 199616, 200490, 213856, 249520, 255758, 267320, 299424, 320784, 374280, 383637, 400980, 427712, 499040, 508397, 511516, 534640, 598848, 639395, 641568, 748560, 767274, 801960, 998080, 1016794, 1023032, 1069280, 1278790, 1283136, 1497120, 1525191, 1534548, 1603920, 1918185, 2033588, 2046064, 2138560, 2541985, 2557580, 2994240, 3050382, 3069096, 3207840, 3836370, 4067176, 4092128, 5083970, 5115160, 6100764, 6138192, 6415680, 7625955, 7672740, 8134352, 8184256, 10167940, 10230320, 12201528, 12276384, 15251910, 15345480, 16268704, 20335880, 20460640, 20844277, 24403056, 24552768, 30503820, 30690960, 32537408, 40671760, 40921280, 41688554, 48806112, 61007640, 61381920, 62532831, 81343520, 83377108, 97612224, 104221385, 122015280, 122763840, 125065662, 162687040, 166754216, 208442770, 244030560, 250131324, 312664155, 333508432, 416885540, 488061120, 500262648, 625328310, 667016864, 833771080, 1000525296, 1250656620, 1334033728, 1667542160, 2001050592, 2501313240, 3335084320, 4002101184, 5002626480, 6670168640, 10005252960, 20010505920]

約数ペア:

[(1, 20010505920), (2, 10005252960), (3, 6670168640), (4, 5002626480), (5, 4002101184), (6, 3335084320), (8, 2501313240), (10, 2001050592), (12, 1667542160), (15, 1334033728), (16, 1250656620), (20, 1000525296), (24, 833771080), (30, 667016864), (32, 625328310), (40, 500262648), (41, 488061120), (48, 416885540), (60, 333508432), (64, 312664155), (80, 250131324), (82, 244030560), (96, 208442770), (120, 166754216), (123, 162687040), (160, 125065662), (163, 122763840), (164, 122015280), (192, 104221385), (205, 97612224), (240, 83377108), (246, 81343520), (320, 62532831), (326, 61381920), (328, 61007640), (410, 48806112), (480, 41688554), (489, 40921280), (492, 40671760), (615, 32537408), (652, 30690960), (656, 30503820), (815, 24552768), (820, 24403056), (960, 20844277), (978, 20460640), (984, 20335880), (1230, 16268704), (1304, 15345480), (1312, 15251910), (1630, 12276384), (1640, 12201528), (1956, 10230320), (1968, 10167940), (2445, 8184256), (2460, 8134352), (2608, 7672740), (2624, 7625955), (3119, 6415680), (3260, 6138192), (3280, 6100764), (3912, 5115160), (3936, 5083970), (4890, 4092128), (4920, 4067176), (5216, 3836370), (6238, 3207840), (6520, 3069096), (6560, 3050382), (6683, 2994240), (7824, 2557580), (7872, 2541985), (9357, 2138560), (9780, 2046064), (9840, 2033588), (10432, 1918185), (12476, 1603920), (13040, 1534548), (13120, 1525191), (13366, 1497120), (15595, 1283136), (15648, 1278790), (18714, 1069280), (19560, 1023032), (19680, 1016794), (20049, 998080), (24952, 801960), (26080, 767274), (26732, 748560), (31190, 641568), (31296, 639395), (33415, 598848), (37428, 534640), (39120, 511516), (39360, 508397), (40098, 499040), (46785, 427712), (49904, 400980), (52160, 383637), (53464, 374280), (62380, 320784), (66830, 299424), (74856, 267320), (78240, 255758), (80196, 249520), (93570, 213856), (99808, 200490), (100245, 199616), (106928, 187140), (124760, 160392), (127879, 156480), (133660, 149712)]