20205750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{929}}^1$

素因数の和:978

約数の個数: 64

約数和(自身を含む): 52228800

約数和(自身を除く): 32023050

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 50, 58, 75, 87, 125, 145, 150, 174, 250, 290, 375, 435, 725, 750, 870, 929, 1450, 1858, 2175, 2787, 3625, 4350, 4645, 5574, 7250, 9290, 10875, 13935, 21750, 23225, 26941, 27870, 46450, 53882, 69675, 80823, 116125, 134705, 139350, 161646, 232250, 269410, 348375, 404115, 673525, 696750, 808230, 1347050, 2020575, 3367625, 4041150, 6735250, 10102875, 20205750]

約数ペア:

[(1, 20205750), (2, 10102875), (3, 6735250), (5, 4041150), (6, 3367625), (10, 2020575), (15, 1347050), (25, 808230), (29, 696750), (30, 673525), (50, 404115), (58, 348375), (75, 269410), (87, 232250), (125, 161646), (145, 139350), (150, 134705), (174, 116125), (250, 80823), (290, 69675), (375, 53882), (435, 46450), (725, 27870), (750, 26941), (870, 23225), (929, 21750), (1450, 13935), (1858, 10875), (2175, 9290), (2787, 7250), (3625, 5574), (4350, 4645)]