20642316

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2579}}^1$

素因数の和:2638

約数の個数: 48

約数和(自身を含む): 52012800

約数和(自身を除く): 31370484

約数列:

[1, 2, 3, 4, 6, 12, 23, 29, 46, 58, 69, 87, 92, 116, 138, 174, 276, 348, 667, 1334, 2001, 2579, 2668, 4002, 5158, 7737, 8004, 10316, 15474, 30948, 59317, 74791, 118634, 149582, 177951, 224373, 237268, 299164, 355902, 448746, 711804, 897492, 1720193, 3440386, 5160579, 6880772, 10321158, 20642316]

約数ペア:

[(1, 20642316), (2, 10321158), (3, 6880772), (4, 5160579), (6, 3440386), (12, 1720193), (23, 897492), (29, 711804), (46, 448746), (58, 355902), (69, 299164), (87, 237268), (92, 224373), (116, 177951), (138, 149582), (174, 118634), (276, 74791), (348, 59317), (667, 30948), (1334, 15474), (2001, 10316), (2579, 8004), (2668, 7737), (4002, 5158)]