20637488

素因数分解:

$2^4\times {\mathrm{211}}^1\times {\mathrm{6113}}^1$

素因数の和:6332

約数の個数: 20

約数和(自身を含む): 40181208

約数和(自身を除く): 19543720

約数列:

[1, 2, 4, 8, 16, 211, 422, 844, 1688, 3376, 6113, 12226, 24452, 48904, 97808, 1289843, 2579686, 5159372, 10318744, 20637488]

約数ペア:

[(1, 20637488), (2, 10318744), (4, 5159372), (8, 2579686), (16, 1289843), (211, 97808), (422, 48904), (844, 24452), (1688, 12226), (3376, 6113)]