20121974910

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{353203}}^1$

素因数の和:353430

約数の個数: 64

約数和(自身を含む): 53913058560

約数和(自身を除く): 33791083650

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 211, 270, 422, 633, 1055, 1266, 1899, 2110, 3165, 3798, 5697, 6330, 9495, 11394, 18990, 28485, 56970, 353203, 706406, 1059609, 1766015, 2119218, 3178827, 3532030, 5298045, 6357654, 9536481, 10596090, 15894135, 19072962, 31788270, 47682405, 74525833, 95364810, 149051666, 223577499, 372629165, 447154998, 670732497, 745258330, 1117887495, 1341464994, 2012197491, 2235774990, 3353662485, 4024394982, 6707324970, 10060987455, 20121974910]

約数ペア:

[(1, 20121974910), (2, 10060987455), (3, 6707324970), (5, 4024394982), (6, 3353662485), (9, 2235774990), (10, 2012197491), (15, 1341464994), (18, 1117887495), (27, 745258330), (30, 670732497), (45, 447154998), (54, 372629165), (90, 223577499), (135, 149051666), (211, 95364810), (270, 74525833), (422, 47682405), (633, 31788270), (1055, 19072962), (1266, 15894135), (1899, 10596090), (2110, 9536481), (3165, 6357654), (3798, 5298045), (5697, 3532030), (6330, 3178827), (9495, 2119218), (11394, 1766015), (18990, 1059609), (28485, 706406), (56970, 353203)]