20749584

素因数分解:

$2^4\times 3^1\times {\mathrm{269}}^1\times {\mathrm{1607}}^1$

素因数の和:1887

約数の個数: 40

約数和(自身を含む): 53835840

約数和(自身を除く): 33086256

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 269, 538, 807, 1076, 1607, 1614, 2152, 3214, 3228, 4304, 4821, 6428, 6456, 9642, 12856, 12912, 19284, 25712, 38568, 77136, 432283, 864566, 1296849, 1729132, 2593698, 3458264, 5187396, 6916528, 10374792, 20749584]

約数ペア:

[(1, 20749584), (2, 10374792), (3, 6916528), (4, 5187396), (6, 3458264), (8, 2593698), (12, 1729132), (16, 1296849), (24, 864566), (48, 432283), (269, 77136), (538, 38568), (807, 25712), (1076, 19284), (1607, 12912), (1614, 12856), (2152, 9642), (3214, 6456), (3228, 6428), (4304, 4821)]