20872464

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{25579}}^1$

素因数の和:25607

約数の個数: 40

約数和(自身を含む): 57094560

約数和(自身を除く): 36222096

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 25579, 51158, 76737, 102316, 153474, 204632, 306948, 409264, 434843, 613896, 869686, 1227792, 1304529, 1739372, 2609058, 3478744, 5218116, 6957488, 10436232, 20872464]

約数ペア:

[(1, 20872464), (2, 10436232), (3, 6957488), (4, 5218116), (6, 3478744), (8, 2609058), (12, 1739372), (16, 1304529), (17, 1227792), (24, 869686), (34, 613896), (48, 434843), (51, 409264), (68, 306948), (102, 204632), (136, 153474), (204, 102316), (272, 76737), (408, 51158), (816, 25579)]