20901270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53593}}^1$

素因数の和:53616

約数の個数: 32

約数和(自身を含む): 54022752

約数和(自身を除く): 33121482

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 53593, 107186, 160779, 267965, 321558, 535930, 696709, 803895, 1393418, 1607790, 2090127, 3483545, 4180254, 6967090, 10450635, 20901270]

約数ペア:

[(1, 20901270), (2, 10450635), (3, 6967090), (5, 4180254), (6, 3483545), (10, 2090127), (13, 1607790), (15, 1393418), (26, 803895), (30, 696709), (39, 535930), (65, 321558), (78, 267965), (130, 160779), (195, 107186), (390, 53593)]