20121199652

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4340207}}^1$

素因数の和:4340291

約数の個数: 24

約数和(自身を含む): 37673005440

約数和(自身を除く): 17551805788

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 1159, 2318, 4636, 4340207, 8680414, 17360828, 82463933, 164927866, 264752627, 329855732, 529505254, 1059010508, 5030299913, 10060599826, 20121199652]

約数ペア:

[(1, 20121199652), (2, 10060599826), (4, 5030299913), (19, 1059010508), (38, 529505254), (61, 329855732), (76, 264752627), (122, 164927866), (244, 82463933), (1159, 17360828), (2318, 8680414), (4636, 4340207)]