19760980

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{14747}}^1$

素因数の和:14823

約数の個数: 24

約数和(自身を含む): 42120288

約数和(自身を除く): 22359308

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 14747, 29494, 58988, 73735, 147470, 294940, 988049, 1976098, 3952196, 4940245, 9880490, 19760980]

約数ペア:

[(1, 19760980), (2, 9880490), (4, 4940245), (5, 3952196), (10, 1976098), (20, 988049), (67, 294940), (134, 147470), (268, 73735), (335, 58988), (670, 29494), (1340, 14747)]