20406996

素因数分解:

$2^2\times 3^2\times {\mathrm{359}}^1\times {\mathrm{1579}}^1$

素因数の和:1948

約数の個数: 36

約数和(自身を含む): 51760800

約数和(自身を除く): 31353804

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 359, 718, 1077, 1436, 1579, 2154, 3158, 3231, 4308, 4737, 6316, 6462, 9474, 12924, 14211, 18948, 28422, 56844, 566861, 1133722, 1700583, 2267444, 3401166, 5101749, 6802332, 10203498, 20406996]

約数ペア:

[(1, 20406996), (2, 10203498), (3, 6802332), (4, 5101749), (6, 3401166), (9, 2267444), (12, 1700583), (18, 1133722), (36, 566861), (359, 56844), (718, 28422), (1077, 18948), (1436, 14211), (1579, 12924), (2154, 9474), (3158, 6462), (3231, 6316), (4308, 4737)]