20392971

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{2371}}^1$

素因数の和:2482

約数の個数: 16

約数和(自身を含む): 28236288

約数和(自身を除く): 7843317

約数列:

[1, 3, 47, 61, 141, 183, 2371, 2867, 7113, 8601, 111437, 144631, 334311, 433893, 6797657, 20392971]

約数ペア:

[(1, 20392971), (3, 6797657), (47, 433893), (61, 334311), (141, 144631), (183, 111437), (2371, 8601), (2867, 7113)]