20254368.000000000

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{863}}^1$

素因数の和:913

約数の個数: 224

約数和(自身を含む): 632033280

約数和(自身を除く): 458880960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 30, 32, 33, 38, 40, 44, 48, 55, 57, 60, 64, 66, 76, 80, 88, 95, 96, 110, 114, 120, 132, 152, 160, 165, 176, 190, 192, 209, 220, 228, 240, 264, 285, 304, 320, 330, 352, 380, 418, 440, 456, 480, 528, 570, 608, 627, 660, 704, 760, 836, 863, 880, 912, 960, 1045, 1056, 1140, 1216, 1254, 1320, 1520, 1672, 1726, 1760, 1824, 2090, 2112, 2280, 2508, 2589, 2640, 3040, 3135, 3344, 3452, 3520, 3648, 4180, 4315, 4560, 5016, 5178, 5280, 6080, 6270, 6688, 6904, 8360, 8630, 9120, 9493, 10032, 10356, 10560, 12540, 12945, 13376, 13808, 16397, 16720, 17260, 18240, 18986, 20064, 20712, 25080, 25890, 27616, 28479, 32794, 33440, 34520, 37972, 40128, 41424, 47465, 49191, 50160, 51780, 55232, 56958, 65588, 66880, 69040, 75944, 81985, 82848, 94930, 98382, 100320, 103560, 113916, 131176, 138080, 142395, 151888, 163970, 165696, 180367, 189860, 196764, 200640, 207120, 227832, 245955, 262352, 276160, 284790, 303776, 327940, 360734, 379720, 393528, 414240, 455664, 491910, 524704, 541101, 569580, 607552, 655880, 721468, 759440, 787056, 828480, 901835, 911328, 983820, 1049408, 1082202, 1139160, 1311760, 1442936, 1518880, 1574112, 1803670, 1822656, 1967640, 2164404, 2278320, 2623520, 2705505, 2885872, 3037760, 3148224, 3607340, 3935280, 4328808, 4556640, 5247040, 5411010, 5771744, 7214680, 7870560, 8657616, 9113280, 10822020, 11543488, 14429360, 15741120, 17315232, 21644040, 28858720, 34630464, 43288080, 57717440, 86576160, 173152320]

約数ペア:

[(1, 173152320), (2, 86576160), (3, 57717440), (4, 43288080), (5, 34630464), (6, 28858720), (8, 21644040), (10, 17315232), (11, 15741120), (12, 14429360), (15, 11543488), (16, 10822020), (19, 9113280), (20, 8657616), (22, 7870560), (24, 7214680), (30, 5771744), (32, 5411010), (33, 5247040), (38, 4556640), (40, 4328808), (44, 3935280), (48, 3607340), (55, 3148224), (57, 3037760), (60, 2885872), (64, 2705505), (66, 2623520), (76, 2278320), (80, 2164404), (88, 1967640), (95, 1822656), (96, 1803670), (110, 1574112), (114, 1518880), (120, 1442936), (132, 1311760), (152, 1139160), (160, 1082202), (165, 1049408), (176, 983820), (190, 911328), (192, 901835), (209, 828480), (220, 787056), (228, 759440), (240, 721468), (264, 655880), (285, 607552), (304, 569580), (320, 541101), (330, 524704), (352, 491910), (380, 455664), (418, 414240), (440, 393528), (456, 379720), (480, 360734), (528, 327940), (570, 303776), (608, 284790), (627, 276160), (660, 262352), (704, 245955), (760, 227832), (836, 207120), (863, 200640), (880, 196764), (912, 189860), (960, 180367), (1045, 165696), (1056, 163970), (1140, 151888), (1216, 142395), (1254, 138080), (1320, 131176), (1520, 113916), (1672, 103560), (1726, 100320), (1760, 98382), (1824, 94930), (2090, 82848), (2112, 81985), (2280, 75944), (2508, 69040), (2589, 66880), (2640, 65588), (3040, 56958), (3135, 55232), (3344, 51780), (3452, 50160), (3520, 49191), (3648, 47465), (4180, 41424), (4315, 40128), (4560, 37972), (5016, 34520), (5178, 33440), (5280, 32794), (6080, 28479), (6270, 27616), (6688, 25890), (6904, 25080), (8360, 20712), (8630, 20064), (9120, 18986), (9493, 18240), (10032, 17260), (10356, 16720), (10560, 16397), (12540, 13808), (12945, 13376)]