20080350285

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1\times {\mathrm{1723}}^1$

素因数の和:2186

約数の個数: 64

約数和(自身を含む): 33746927616

約数和(自身を除く): 13666577331

約数列:

[1, 3, 5, 15, 31, 71, 93, 155, 213, 353, 355, 465, 1059, 1065, 1723, 1765, 2201, 5169, 5295, 6603, 8615, 10943, 11005, 25063, 25845, 32829, 33015, 53413, 54715, 75189, 122333, 125315, 160239, 164145, 267065, 366999, 375945, 608219, 611665, 776953, 801195, 1824657, 1834995, 2330859, 3041095, 3792323, 3884765, 9123285, 11376969, 11654295, 18854789, 18961615, 43183549, 56564367, 56884845, 94273945, 129550647, 215917745, 282821835, 647753235, 1338690019, 4016070057, 6693450095, 20080350285]

約数ペア:

[(1, 20080350285), (3, 6693450095), (5, 4016070057), (15, 1338690019), (31, 647753235), (71, 282821835), (93, 215917745), (155, 129550647), (213, 94273945), (353, 56884845), (355, 56564367), (465, 43183549), (1059, 18961615), (1065, 18854789), (1723, 11654295), (1765, 11376969), (2201, 9123285), (5169, 3884765), (5295, 3792323), (6603, 3041095), (8615, 2330859), (10943, 1834995), (11005, 1824657), (25063, 801195), (25845, 776953), (32829, 611665), (33015, 608219), (53413, 375945), (54715, 366999), (75189, 267065), (122333, 164145), (125315, 160239)]