20218628

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{587}}^1$

素因数の和:779

約数の個数: 24

約数和(自身を含む): 36220800

約数和(自身を除く): 16002172

約数列:

[1, 2, 4, 79, 109, 158, 218, 316, 436, 587, 1174, 2348, 8611, 17222, 34444, 46373, 63983, 92746, 127966, 185492, 255932, 5054657, 10109314, 20218628]

約数ペア:

[(1, 20218628), (2, 10109314), (4, 5054657), (79, 255932), (109, 185492), (158, 127966), (218, 92746), (316, 63983), (436, 46373), (587, 34444), (1174, 17222), (2348, 8611)]