20268332

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 42504000

約数和(自身を除く): 22235668

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 109, 116, 203, 218, 229, 406, 436, 458, 763, 812, 916, 1526, 1603, 3052, 3161, 3206, 6322, 6412, 6641, 12644, 13282, 22127, 24961, 26564, 44254, 46487, 49922, 88508, 92974, 99844, 174727, 185948, 349454, 698908, 723869, 1447738, 2895476, 5067083, 10134166, 20268332]

約数ペア:

[(1, 20268332), (2, 10134166), (4, 5067083), (7, 2895476), (14, 1447738), (28, 723869), (29, 698908), (58, 349454), (109, 185948), (116, 174727), (203, 99844), (218, 92974), (229, 88508), (406, 49922), (436, 46487), (458, 44254), (763, 26564), (812, 24961), (916, 22127), (1526, 13282), (1603, 12644), (3052, 6641), (3161, 6412), (3206, 6322)]