20995612

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{28069}}^1$

素因数の和:28101

約数の個数: 24

約数和(自身を含む): 42441840

約数和(自身を除く): 21446228

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 28069, 56138, 112276, 308759, 477173, 617518, 954346, 1235036, 1908692, 5248903, 10497806, 20995612]

約数ペア:

[(1, 20995612), (2, 10497806), (4, 5248903), (11, 1908692), (17, 1235036), (22, 954346), (34, 617518), (44, 477173), (68, 308759), (187, 112276), (374, 56138), (748, 28069)]