20396570

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1153}}^1$

素因数の和:1250

約数の個数: 32

約数和(自身を含む): 38635920

約数和(自身を除く): 18239350

約数列:

[1, 2, 5, 10, 29, 58, 61, 122, 145, 290, 305, 610, 1153, 1769, 2306, 3538, 5765, 8845, 11530, 17690, 33437, 66874, 70333, 140666, 167185, 334370, 351665, 703330, 2039657, 4079314, 10198285, 20396570]

約数ペア:

[(1, 20396570), (2, 10198285), (5, 4079314), (10, 2039657), (29, 703330), (58, 351665), (61, 334370), (122, 167185), (145, 140666), (290, 70333), (305, 66874), (610, 33437), (1153, 17690), (1769, 11530), (2306, 8845), (3538, 5765)]