20175013880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1193}}^1\times {\mathrm{60397}}^1$

素因数の和:61608

約数の個数: 64

約数和(自身を含む): 51922952640

約数和(自身を除く): 31747938760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1193, 2386, 4772, 5965, 8351, 9544, 11930, 16702, 23860, 33404, 41755, 47720, 60397, 66808, 83510, 120794, 167020, 241588, 301985, 334040, 422779, 483176, 603970, 845558, 1207940, 1691116, 2113895, 2415880, 3382232, 4227790, 8455580, 16911160, 72053621, 144107242, 288214484, 360268105, 504375347, 576428968, 720536210, 1008750694, 1441072420, 2017501388, 2521876735, 2882144840, 4035002776, 5043753470, 10087506940, 20175013880]

約数ペア:

[(1, 20175013880), (2, 10087506940), (4, 5043753470), (5, 4035002776), (7, 2882144840), (8, 2521876735), (10, 2017501388), (14, 1441072420), (20, 1008750694), (28, 720536210), (35, 576428968), (40, 504375347), (56, 360268105), (70, 288214484), (140, 144107242), (280, 72053621), (1193, 16911160), (2386, 8455580), (4772, 4227790), (5965, 3382232), (8351, 2415880), (9544, 2113895), (11930, 1691116), (16702, 1207940), (23860, 845558), (33404, 603970), (41755, 483176), (47720, 422779), (60397, 334040), (66808, 301985), (83510, 241588), (120794, 167020)]