20851933414

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2063}}^1\times {\mathrm{6373}}^1$

素因数の和:8512

約数の個数: 32

約数和(自身を含む): 34258057344

約数和(自身を除く): 13406123930

約数列:

[1, 2, 13, 26, 61, 122, 793, 1586, 2063, 4126, 6373, 12746, 26819, 53638, 82849, 125843, 165698, 251686, 388753, 777506, 1635959, 3271918, 5053789, 10107578, 13147499, 26294998, 170917487, 341834974, 801997439, 1603994878, 10425966707, 20851933414]

約数ペア:

[(1, 20851933414), (2, 10425966707), (13, 1603994878), (26, 801997439), (61, 341834974), (122, 170917487), (793, 26294998), (1586, 13147499), (2063, 10107578), (4126, 5053789), (6373, 3271918), (12746, 1635959), (26819, 777506), (53638, 388753), (82849, 251686), (125843, 165698)]