20112716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20357}}^1$

素因数の和:20393

約数の個数: 24

約数和(自身を含む): 39901680

約数和(自身を除く): 19788964

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20357, 40714, 81428, 264641, 386783, 529282, 773566, 1058564, 1547132, 5028179, 10056358, 20112716]

約数ペア:

[(1, 20112716), (2, 10056358), (4, 5028179), (13, 1547132), (19, 1058564), (26, 773566), (38, 529282), (52, 386783), (76, 264641), (247, 81428), (494, 40714), (988, 20357)]