20147681390

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{719}}^1\times {\mathrm{65167}}^1$

素因数の和:65936

約数の個数: 32

約数和(自身を含む): 37161400320

約数和(自身を除く): 17013718930

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 719, 1438, 3595, 7190, 30917, 61834, 65167, 130334, 154585, 309170, 325835, 651670, 2802181, 5604362, 14010905, 28021810, 46855073, 93710146, 234275365, 468550730, 2014768139, 4029536278, 10073840695, 20147681390]

約数ペア:

[(1, 20147681390), (2, 10073840695), (5, 4029536278), (10, 2014768139), (43, 468550730), (86, 234275365), (215, 93710146), (430, 46855073), (719, 28021810), (1438, 14010905), (3595, 5604362), (7190, 2802181), (30917, 651670), (61834, 325835), (65167, 309170), (130334, 154585)]