20355944

素因数分解:

$2^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 45532800

約数和(自身を除く): 25176856

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 59, 61, 101, 118, 122, 202, 236, 244, 404, 413, 427, 472, 488, 707, 808, 826, 854, 1414, 1652, 1708, 2828, 3304, 3416, 3599, 5656, 5959, 6161, 7198, 11918, 12322, 14396, 23836, 24644, 25193, 28792, 41713, 43127, 47672, 49288, 50386, 83426, 86254, 100772, 166852, 172508, 201544, 333704, 345016, 363499, 726998, 1453996, 2544493, 2907992, 5088986, 10177972, 20355944]

約数ペア:

[(1, 20355944), (2, 10177972), (4, 5088986), (7, 2907992), (8, 2544493), (14, 1453996), (28, 726998), (56, 363499), (59, 345016), (61, 333704), (101, 201544), (118, 172508), (122, 166852), (202, 100772), (236, 86254), (244, 83426), (404, 50386), (413, 49288), (427, 47672), (472, 43127), (488, 41713), (707, 28792), (808, 25193), (826, 24644), (854, 23836), (1414, 14396), (1652, 12322), (1708, 11918), (2828, 7198), (3304, 6161), (3416, 5959), (3599, 5656)]