20483139640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{569609}}^1$

素因数の和:569680

約数の個数: 64

約数和(自身を含む): 49214304000

約数和(自身を除く): 28731164360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 232, 248, 290, 310, 580, 620, 899, 1160, 1240, 1798, 3596, 4495, 7192, 8990, 17980, 35960, 569609, 1139218, 2278436, 2848045, 4556872, 5696090, 11392180, 16518661, 17657879, 22784360, 33037322, 35315758, 66074644, 70631516, 82593305, 88289395, 132149288, 141263032, 165186610, 176578790, 330373220, 353157580, 512078491, 660746440, 706315160, 1024156982, 2048313964, 2560392455, 4096627928, 5120784910, 10241569820, 20483139640]

約数ペア:

[(1, 20483139640), (2, 10241569820), (4, 5120784910), (5, 4096627928), (8, 2560392455), (10, 2048313964), (20, 1024156982), (29, 706315160), (31, 660746440), (40, 512078491), (58, 353157580), (62, 330373220), (116, 176578790), (124, 165186610), (145, 141263032), (155, 132149288), (232, 88289395), (248, 82593305), (290, 70631516), (310, 66074644), (580, 35315758), (620, 33037322), (899, 22784360), (1160, 17657879), (1240, 16518661), (1798, 11392180), (3596, 5696090), (4495, 4556872), (7192, 2848045), (8990, 2278436), (17980, 1139218), (35960, 569609)]