20863708

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{2311}}^1$

素因数の和:2413

約数の個数: 24

約数和(自身を含む): 38129504

約数和(自身を除く): 17265796

約数列:

[1, 2, 4, 37, 61, 74, 122, 148, 244, 2257, 2311, 4514, 4622, 9028, 9244, 85507, 140971, 171014, 281942, 342028, 563884, 5215927, 10431854, 20863708]

約数ペア:

[(1, 20863708), (2, 10431854), (4, 5215927), (37, 563884), (61, 342028), (74, 281942), (122, 171014), (148, 140971), (244, 85507), (2257, 9244), (2311, 9028), (4514, 4622)]