20720772

素因数分解:

$2^2\times 3^4\times {\mathrm{31}}^1\times {\mathrm{2063}}^1$

素因数の和:2110

約数の個数: 60

約数和(自身を含む): 55942656

約数和(自身を除く): 35221884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 108, 124, 162, 186, 279, 324, 372, 558, 837, 1116, 1674, 2063, 2511, 3348, 4126, 5022, 6189, 8252, 10044, 12378, 18567, 24756, 37134, 55701, 63953, 74268, 111402, 127906, 167103, 191859, 222804, 255812, 334206, 383718, 575577, 668412, 767436, 1151154, 1726731, 2302308, 3453462, 5180193, 6906924, 10360386, 20720772]

約数ペア:

[(1, 20720772), (2, 10360386), (3, 6906924), (4, 5180193), (6, 3453462), (9, 2302308), (12, 1726731), (18, 1151154), (27, 767436), (31, 668412), (36, 575577), (54, 383718), (62, 334206), (81, 255812), (93, 222804), (108, 191859), (124, 167103), (162, 127906), (186, 111402), (279, 74268), (324, 63953), (372, 55701), (558, 37134), (837, 24756), (1116, 18567), (1674, 12378), (2063, 10044), (2511, 8252), (3348, 6189), (4126, 5022)]