20849796

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1423}}^1$

素因数の和:1481

約数の個数: 72

約数和(自身を含む): 59090304

約数和(自身を除く): 38240508

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 37, 44, 66, 74, 99, 111, 132, 148, 198, 222, 333, 396, 407, 444, 666, 814, 1221, 1332, 1423, 1628, 2442, 2846, 3663, 4269, 4884, 5692, 7326, 8538, 12807, 14652, 15653, 17076, 25614, 31306, 46959, 51228, 52651, 62612, 93918, 105302, 140877, 157953, 187836, 210604, 281754, 315906, 473859, 563508, 579161, 631812, 947718, 1158322, 1737483, 1895436, 2316644, 3474966, 5212449, 6949932, 10424898, 20849796]

約数ペア:

[(1, 20849796), (2, 10424898), (3, 6949932), (4, 5212449), (6, 3474966), (9, 2316644), (11, 1895436), (12, 1737483), (18, 1158322), (22, 947718), (33, 631812), (36, 579161), (37, 563508), (44, 473859), (66, 315906), (74, 281754), (99, 210604), (111, 187836), (132, 157953), (148, 140877), (198, 105302), (222, 93918), (333, 62612), (396, 52651), (407, 51228), (444, 46959), (666, 31306), (814, 25614), (1221, 17076), (1332, 15653), (1423, 14652), (1628, 12807), (2442, 8538), (2846, 7326), (3663, 5692), (4269, 4884)]