20504528

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1031}}^1$

素因数の和:1163

約数の個数: 40

約数和(自身を含む): 43765056

約数和(自身を除く): 23260528

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 113, 176, 226, 452, 904, 1031, 1243, 1808, 2062, 2486, 4124, 4972, 8248, 9944, 11341, 16496, 19888, 22682, 45364, 90728, 116503, 181456, 233006, 466012, 932024, 1281533, 1864048, 2563066, 5126132, 10252264, 20504528]

約数ペア:

[(1, 20504528), (2, 10252264), (4, 5126132), (8, 2563066), (11, 1864048), (16, 1281533), (22, 932024), (44, 466012), (88, 233006), (113, 181456), (176, 116503), (226, 90728), (452, 45364), (904, 22682), (1031, 19888), (1243, 16496), (1808, 11341), (2062, 9944), (2486, 8248), (4124, 4972)]