20185304825

素因数分解:

$5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1\times {\mathrm{5623}}^1$

素因数の和:5994

約数の個数: 48

約数和(自身を含む): 29105684736

約数和(自身を除く): 8920379911

約数列:

[1, 5, 7, 25, 35, 73, 175, 281, 365, 511, 1405, 1825, 1967, 2555, 5623, 7025, 9835, 12775, 20513, 28115, 39361, 49175, 102565, 140575, 143591, 196805, 410479, 512825, 717955, 984025, 1580063, 2052395, 2873353, 3589775, 7900315, 10261975, 11060441, 14366765, 39501575, 55302205, 71833825, 115344599, 276511025, 576722995, 807412193, 2883614975, 4037060965, 20185304825]

約数ペア:

[(1, 20185304825), (5, 4037060965), (7, 2883614975), (25, 807412193), (35, 576722995), (73, 276511025), (175, 115344599), (281, 71833825), (365, 55302205), (511, 39501575), (1405, 14366765), (1825, 11060441), (1967, 10261975), (2555, 7900315), (5623, 3589775), (7025, 2873353), (9835, 2052395), (12775, 1580063), (20513, 984025), (28115, 717955), (39361, 512825), (49175, 410479), (102565, 196805), (140575, 143591)]