20379565920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{14407}}^1$

素因数の和:14853

約数の個数: 192

約数和(自身を含む): 73545808896

約数和(自身を除く): 53166242976

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 421, 480, 560, 672, 840, 842, 1120, 1263, 1680, 1684, 2105, 2526, 2947, 3360, 3368, 4210, 5052, 5894, 6315, 6736, 8420, 8841, 10104, 11788, 12630, 13472, 14407, 14735, 16840, 17682, 20208, 23576, 25260, 28814, 29470, 33680, 35364, 40416, 43221, 44205, 47152, 50520, 57628, 58940, 67360, 70728, 72035, 86442, 88410, 94304, 100849, 101040, 115256, 117880, 141456, 144070, 172884, 176820, 201698, 202080, 216105, 230512, 235760, 282912, 288140, 302547, 345768, 353640, 403396, 432210, 461024, 471520, 504245, 576280, 605094, 691536, 707280, 806792, 864420, 1008490, 1152560, 1210188, 1383072, 1414560, 1512735, 1613584, 1728840, 2016980, 2305120, 2420376, 3025470, 3227168, 3457680, 4033960, 4840752, 6050940, 6065347, 6915360, 8067920, 9681504, 12101880, 12130694, 16135840, 18196041, 24203760, 24261388, 30326735, 36392082, 42457429, 48407520, 48522776, 60653470, 72784164, 84914858, 90980205, 97045552, 121306940, 127372287, 145568328, 169829716, 181960410, 194091104, 212287145, 242613880, 254744574, 291136656, 339659432, 363920820, 424574290, 485227760, 509489148, 582273312, 636861435, 679318864, 727841640, 849148580, 970455520, 1018978296, 1273722870, 1358637728, 1455683280, 1698297160, 2037956592, 2547445740, 2911366560, 3396594320, 4075913184, 5094891480, 6793188640, 10189782960, 20379565920]

約数ペア:

[(1, 20379565920), (2, 10189782960), (3, 6793188640), (4, 5094891480), (5, 4075913184), (6, 3396594320), (7, 2911366560), (8, 2547445740), (10, 2037956592), (12, 1698297160), (14, 1455683280), (15, 1358637728), (16, 1273722870), (20, 1018978296), (21, 970455520), (24, 849148580), (28, 727841640), (30, 679318864), (32, 636861435), (35, 582273312), (40, 509489148), (42, 485227760), (48, 424574290), (56, 363920820), (60, 339659432), (70, 291136656), (80, 254744574), (84, 242613880), (96, 212287145), (105, 194091104), (112, 181960410), (120, 169829716), (140, 145568328), (160, 127372287), (168, 121306940), (210, 97045552), (224, 90980205), (240, 84914858), (280, 72784164), (336, 60653470), (420, 48522776), (421, 48407520), (480, 42457429), (560, 36392082), (672, 30326735), (840, 24261388), (842, 24203760), (1120, 18196041), (1263, 16135840), (1680, 12130694), (1684, 12101880), (2105, 9681504), (2526, 8067920), (2947, 6915360), (3360, 6065347), (3368, 6050940), (4210, 4840752), (5052, 4033960), (5894, 3457680), (6315, 3227168), (6736, 3025470), (8420, 2420376), (8841, 2305120), (10104, 2016980), (11788, 1728840), (12630, 1613584), (13472, 1512735), (14407, 1414560), (14735, 1383072), (16840, 1210188), (17682, 1152560), (20208, 1008490), (23576, 864420), (25260, 806792), (28814, 707280), (29470, 691536), (33680, 605094), (35364, 576280), (40416, 504245), (43221, 471520), (44205, 461024), (47152, 432210), (50520, 403396), (57628, 353640), (58940, 345768), (67360, 302547), (70728, 288140), (72035, 282912), (86442, 235760), (88410, 230512), (94304, 216105), (100849, 202080), (101040, 201698), (115256, 176820), (117880, 172884), (141456, 144070)]