20563778

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{1733}}^1$

素因数の和:2101

約数の個数: 16

約数和(自身を含む): 32772600

約数和(自身を除く): 12208822

約数列:

[1, 2, 17, 34, 349, 698, 1733, 3466, 5933, 11866, 29461, 58922, 604817, 1209634, 10281889, 20563778]

約数ペア:

[(1, 20563778), (2, 10281889), (17, 1209634), (34, 604817), (349, 58922), (698, 29461), (1733, 11866), (3466, 5933)]