20615764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23321}}^1$

素因数の和:23355

約数の個数: 24

約数和(自身を含む): 41140008

約数和(自身を除く): 20524244

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 23321, 46642, 93284, 303173, 396457, 606346, 792914, 1212692, 1585828, 5153941, 10307882, 20615764]

約数ペア:

[(1, 20615764), (2, 10307882), (4, 5153941), (13, 1585828), (17, 1212692), (26, 792914), (34, 606346), (52, 396457), (68, 303173), (221, 93284), (442, 46642), (884, 23321)]