20290796

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{607}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 36414336

約数和(自身を除く): 16123540

約数列:

[1, 2, 4, 61, 122, 137, 244, 274, 548, 607, 1214, 2428, 8357, 16714, 33428, 37027, 74054, 83159, 148108, 166318, 332636, 5072699, 10145398, 20290796]

約数ペア:

[(1, 20290796), (2, 10145398), (4, 5072699), (61, 332636), (122, 166318), (137, 148108), (244, 83159), (274, 74054), (548, 37027), (607, 33428), (1214, 16714), (2428, 8357)]