20172941565

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{669419}}^1$

素因数の和:669482

約数の個数: 48

約数和(自身を含む): 38462195520

約数和(自身を除く): 18289253955

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 49, 105, 123, 147, 205, 245, 287, 615, 735, 861, 1435, 2009, 4305, 6027, 10045, 30135, 669419, 2008257, 3347095, 4685933, 10041285, 14057799, 23429665, 27446179, 32801531, 70288995, 82338537, 98404593, 137230895, 164007655, 192123253, 411692685, 492022965, 576369759, 960616265, 1344862771, 2881848795, 4034588313, 6724313855, 20172941565]

約数ペア:

[(1, 20172941565), (3, 6724313855), (5, 4034588313), (7, 2881848795), (15, 1344862771), (21, 960616265), (35, 576369759), (41, 492022965), (49, 411692685), (105, 192123253), (123, 164007655), (147, 137230895), (205, 98404593), (245, 82338537), (287, 70288995), (615, 32801531), (735, 27446179), (861, 23429665), (1435, 14057799), (2009, 10041285), (4305, 4685933), (6027, 3347095), (10045, 2008257), (30135, 669419)]