20227730840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1025747}}^1$

素因数の和:1025804

約数の個数: 64

約数和(自身を含む): 49851352800

約数和(自身を除く): 29623621960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 290, 340, 493, 580, 680, 986, 1160, 1972, 2465, 3944, 4930, 9860, 19720, 1025747, 2051494, 4102988, 5128735, 8205976, 10257470, 17437699, 20514940, 29746663, 34875398, 41029880, 59493326, 69750796, 87188495, 118986652, 139501592, 148733315, 174376990, 237973304, 297466630, 348753980, 505693271, 594933260, 697507960, 1011386542, 1189866520, 2022773084, 2528466355, 4045546168, 5056932710, 10113865420, 20227730840]

約数ペア:

[(1, 20227730840), (2, 10113865420), (4, 5056932710), (5, 4045546168), (8, 2528466355), (10, 2022773084), (17, 1189866520), (20, 1011386542), (29, 697507960), (34, 594933260), (40, 505693271), (58, 348753980), (68, 297466630), (85, 237973304), (116, 174376990), (136, 148733315), (145, 139501592), (170, 118986652), (232, 87188495), (290, 69750796), (340, 59493326), (493, 41029880), (580, 34875398), (680, 29746663), (986, 20514940), (1160, 17437699), (1972, 10257470), (2465, 8205976), (3944, 5128735), (4930, 4102988), (9860, 2051494), (19720, 1025747)]