20154722

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{10357}}^1$

素因数の和:10505

約数の個数: 16

約数和(自身を含む): 34802880

約数和(自身を除く): 14648158

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 10357, 20714, 72499, 144998, 1439623, 2879246, 10077361, 20154722]

約数ペア:

[(1, 20154722), (2, 10077361), (7, 2879246), (14, 1439623), (139, 144998), (278, 72499), (973, 20714), (1946, 10357)]