20635792

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{379}}^1$

素因数の和:511

約数の個数: 40

約数和(自身を含む): 41559840

約数和(自身を除く): 20924048

約数列:

[1, 2, 4, 8, 16, 41, 82, 83, 164, 166, 328, 332, 379, 656, 664, 758, 1328, 1516, 3032, 3403, 6064, 6806, 13612, 15539, 27224, 31078, 31457, 54448, 62156, 62914, 124312, 125828, 248624, 251656, 503312, 1289737, 2579474, 5158948, 10317896, 20635792]

約数ペア:

[(1, 20635792), (2, 10317896), (4, 5158948), (8, 2579474), (16, 1289737), (41, 503312), (82, 251656), (83, 248624), (164, 125828), (166, 124312), (328, 62914), (332, 62156), (379, 54448), (656, 31457), (664, 31078), (758, 27224), (1328, 15539), (1516, 13612), (3032, 6806), (3403, 6064)]