20599810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{863}}^1$

素因数の和:919

約数の個数: 64

約数和(自身を含む): 47775744

約数和(自身を除く): 27175934

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 31, 35, 55, 62, 70, 77, 110, 154, 155, 217, 310, 341, 385, 434, 682, 770, 863, 1085, 1705, 1726, 2170, 2387, 3410, 4315, 4774, 6041, 8630, 9493, 11935, 12082, 18986, 23870, 26753, 30205, 47465, 53506, 60410, 66451, 94930, 132902, 133765, 187271, 267530, 294283, 332255, 374542, 588566, 664510, 936355, 1471415, 1872710, 2059981, 2942830, 4119962, 10299905, 20599810]

約数ペア:

[(1, 20599810), (2, 10299905), (5, 4119962), (7, 2942830), (10, 2059981), (11, 1872710), (14, 1471415), (22, 936355), (31, 664510), (35, 588566), (55, 374542), (62, 332255), (70, 294283), (77, 267530), (110, 187271), (154, 133765), (155, 132902), (217, 94930), (310, 66451), (341, 60410), (385, 53506), (434, 47465), (682, 30205), (770, 26753), (863, 23870), (1085, 18986), (1705, 12082), (1726, 11935), (2170, 9493), (2387, 8630), (3410, 6041), (4315, 4774)]