20838898

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1\times {\mathrm{659}}^1$

素因数の和:921

約数の個数: 16

約数和(自身を含む): 31822560

約数和(自身を除く): 10983662

約数列:

[1, 2, 97, 163, 194, 326, 659, 1318, 15811, 31622, 63923, 107417, 127846, 214834, 10419449, 20838898]

約数ペア:

[(1, 20838898), (2, 10419449), (97, 214834), (163, 127846), (194, 107417), (326, 63923), (659, 31622), (1318, 15811)]