20197920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1451}}^1$

素因数の和:1498

約数の個数: 96

約数和(自身を含む): 65862720

約数和(自身を除く): 45664800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 80, 87, 96, 116, 120, 145, 160, 174, 232, 240, 290, 348, 435, 464, 480, 580, 696, 870, 928, 1160, 1392, 1451, 1740, 2320, 2784, 2902, 3480, 4353, 4640, 5804, 6960, 7255, 8706, 11608, 13920, 14510, 17412, 21765, 23216, 29020, 34824, 42079, 43530, 46432, 58040, 69648, 84158, 87060, 116080, 126237, 139296, 168316, 174120, 210395, 232160, 252474, 336632, 348240, 420790, 504948, 631185, 673264, 696480, 841580, 1009896, 1262370, 1346528, 1683160, 2019792, 2524740, 3366320, 4039584, 5049480, 6732640, 10098960, 20197920]

約数ペア:

[(1, 20197920), (2, 10098960), (3, 6732640), (4, 5049480), (5, 4039584), (6, 3366320), (8, 2524740), (10, 2019792), (12, 1683160), (15, 1346528), (16, 1262370), (20, 1009896), (24, 841580), (29, 696480), (30, 673264), (32, 631185), (40, 504948), (48, 420790), (58, 348240), (60, 336632), (80, 252474), (87, 232160), (96, 210395), (116, 174120), (120, 168316), (145, 139296), (160, 126237), (174, 116080), (232, 87060), (240, 84158), (290, 69648), (348, 58040), (435, 46432), (464, 43530), (480, 42079), (580, 34824), (696, 29020), (870, 23216), (928, 21765), (1160, 17412), (1392, 14510), (1451, 13920), (1740, 11608), (2320, 8706), (2784, 7255), (2902, 6960), (3480, 5804), (4353, 4640)]