20218113212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{7489}}^1\times {\mathrm{61357}}^1$

素因数の和:68861

約数の個数: 24

約数和(自身を含む): 38603999280

約数和(自身を除く): 18385886068

約数列:

[1, 2, 4, 11, 22, 44, 7489, 14978, 29956, 61357, 82379, 122714, 164758, 245428, 329516, 674927, 1349854, 2699708, 459502573, 919005146, 1838010292, 5054528303, 10109056606, 20218113212]

約数ペア:

[(1, 20218113212), (2, 10109056606), (4, 5054528303), (11, 1838010292), (22, 919005146), (44, 459502573), (7489, 2699708), (14978, 1349854), (29956, 674927), (61357, 329516), (82379, 245428), (122714, 164758)]