20214909

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 34856640

約数和(自身を除く): 14641731

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 113, 117, 139, 143, 339, 417, 429, 1017, 1243, 1251, 1287, 1469, 1529, 1807, 3729, 4407, 4587, 5421, 11187, 13221, 13761, 15707, 16159, 16263, 19877, 47121, 48477, 59631, 141363, 145431, 172777, 178893, 204191, 518331, 612573, 1554993, 1837719, 2246101, 6738303, 20214909]

約数ペア:

[(1, 20214909), (3, 6738303), (9, 2246101), (11, 1837719), (13, 1554993), (33, 612573), (39, 518331), (99, 204191), (113, 178893), (117, 172777), (139, 145431), (143, 141363), (339, 59631), (417, 48477), (429, 47121), (1017, 19877), (1243, 16263), (1251, 16159), (1287, 15707), (1469, 13761), (1529, 13221), (1807, 11187), (3729, 5421), (4407, 4587)]