20361544

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 46402560

約数和(自身を除く): 26041016

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 37, 56, 62, 74, 124, 148, 217, 248, 259, 296, 317, 434, 518, 634, 868, 1036, 1147, 1268, 1736, 2072, 2219, 2294, 2536, 4438, 4588, 8029, 8876, 9176, 9827, 11729, 16058, 17752, 19654, 23458, 32116, 39308, 46916, 64232, 68789, 78616, 82103, 93832, 137578, 164206, 275156, 328412, 363599, 550312, 656824, 727198, 1454396, 2545193, 2908792, 5090386, 10180772, 20361544]

約数ペア:

[(1, 20361544), (2, 10180772), (4, 5090386), (7, 2908792), (8, 2545193), (14, 1454396), (28, 727198), (31, 656824), (37, 550312), (56, 363599), (62, 328412), (74, 275156), (124, 164206), (148, 137578), (217, 93832), (248, 82103), (259, 78616), (296, 68789), (317, 64232), (434, 46916), (518, 39308), (634, 32116), (868, 23458), (1036, 19654), (1147, 17752), (1268, 16058), (1736, 11729), (2072, 9827), (2219, 9176), (2294, 8876), (2536, 8029), (4438, 4588)]