20668533

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{2357}}^1$

素因数の和:2476

約数の個数: 16

約数和(自身を含む): 28673280

約数和(自身を除く): 8004747

約数列:

[1, 3, 37, 79, 111, 237, 2357, 2923, 7071, 8769, 87209, 186203, 261627, 558609, 6889511, 20668533]

約数ペア:

[(1, 20668533), (3, 6889511), (37, 558609), (79, 261627), (111, 186203), (237, 87209), (2357, 8769), (2923, 7071)]