20960517

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{1499}}^1$

素因数の和:1640

約数の個数: 16

約数和(自身を含む): 28800000

約数和(自身を除く): 7839483

約数列:

[1, 3, 59, 79, 177, 237, 1499, 4497, 4661, 13983, 88441, 118421, 265323, 355263, 6986839, 20960517]

約数ペア:

[(1, 20960517), (3, 6986839), (59, 355263), (79, 265323), (177, 118421), (237, 88441), (1499, 13983), (4497, 4661)]