20464406

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{1627}}^1$

素因数の和:1979

約数の個数: 16

約数和(自身を含む): 32429760

約数和(自身を除く): 11965354

約数列:

[1, 2, 19, 38, 331, 662, 1627, 3254, 6289, 12578, 30913, 61826, 538537, 1077074, 10232203, 20464406]

約数ペア:

[(1, 20464406), (2, 10232203), (19, 1077074), (38, 538537), (331, 61826), (662, 30913), (1627, 12578), (3254, 6289)]