20892759

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{1301}}^1$

素因数の和:1458

約数の個数: 16

約数和(自身を含む): 28685664

約数和(自身を除く): 7792905

約数列:

[1, 3, 53, 101, 159, 303, 1301, 3903, 5353, 16059, 68953, 131401, 206859, 394203, 6964253, 20892759]

約数ペア:

[(1, 20892759), (3, 6964253), (53, 394203), (101, 206859), (159, 131401), (303, 68953), (1301, 16059), (3903, 5353)]