20889218402

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{1273267}}^1$

素因数の和:1273913

約数の個数: 16

約数和(自身を含む): 33797625792

約数和(自身を除く): 12908407390

約数列:

[1, 2, 13, 26, 631, 1262, 8203, 16406, 1273267, 2546534, 16552471, 33104942, 803431477, 1606862954, 10444609201, 20889218402]

約数ペア:

[(1, 20889218402), (2, 10444609201), (13, 1606862954), (26, 803431477), (631, 33104942), (1262, 16552471), (8203, 2546534), (16406, 1273267)]