20870474

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{1789}}^1$

素因数の和:2117

約数の個数: 16

約数和(自身を含む): 33079200

約数和(自身を除く): 12208726

約数列:

[1, 2, 19, 38, 307, 614, 1789, 3578, 5833, 11666, 33991, 67982, 549223, 1098446, 10435237, 20870474]

約数ペア:

[(1, 20870474), (2, 10435237), (19, 1098446), (38, 549223), (307, 67982), (614, 33991), (1789, 11666), (3578, 5833)]