20121635884

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{146749}}^1$

素因数の和:146902

約数の個数: 48

約数和(自身を含む): 41418720000

約数和(自身を除く): 21297084116

約数列:

[1, 2, 4, 7, 14, 28, 59, 83, 118, 166, 236, 332, 413, 581, 826, 1162, 1652, 2324, 4897, 9794, 19588, 34279, 68558, 137116, 146749, 293498, 586996, 1027243, 2054486, 4108972, 8658191, 12180167, 17316382, 24360334, 34632764, 48720668, 60607337, 85261169, 121214674, 170522338, 242429348, 341044676, 718629853, 1437259706, 2874519412, 5030408971, 10060817942, 20121635884]

約数ペア:

[(1, 20121635884), (2, 10060817942), (4, 5030408971), (7, 2874519412), (14, 1437259706), (28, 718629853), (59, 341044676), (83, 242429348), (118, 170522338), (166, 121214674), (236, 85261169), (332, 60607337), (413, 48720668), (581, 34632764), (826, 24360334), (1162, 17316382), (1652, 12180167), (2324, 8658191), (4897, 4108972), (9794, 2054486), (19588, 1027243), (34279, 586996), (68558, 293498), (137116, 146749)]