20120309964

素因数分解:

$2^2\times 3^2\times {\mathrm{461}}^1\times {\mathrm{883}}^1\times {\mathrm{1373}}^1$

素因数の和:2727

約数の個数: 72

約数和(自身を含む): 51064885872

約数和(自身を除く): 30944575908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 461, 883, 922, 1373, 1383, 1766, 1844, 2649, 2746, 2766, 3532, 4119, 4149, 5298, 5492, 5532, 7947, 8238, 8298, 10596, 12357, 15894, 16476, 16596, 24714, 31788, 49428, 407063, 632953, 814126, 1212359, 1221189, 1265906, 1628252, 1898859, 2424718, 2442378, 2531812, 3637077, 3663567, 3797718, 4849436, 4884756, 5696577, 7274154, 7327134, 7595436, 10911231, 11393154, 14548308, 14654268, 21822462, 22786308, 43644924, 558897499, 1117794998, 1676692497, 2235589996, 3353384994, 5030077491, 6706769988, 10060154982, 20120309964]

約数ペア:

[(1, 20120309964), (2, 10060154982), (3, 6706769988), (4, 5030077491), (6, 3353384994), (9, 2235589996), (12, 1676692497), (18, 1117794998), (36, 558897499), (461, 43644924), (883, 22786308), (922, 21822462), (1373, 14654268), (1383, 14548308), (1766, 11393154), (1844, 10911231), (2649, 7595436), (2746, 7327134), (2766, 7274154), (3532, 5696577), (4119, 4884756), (4149, 4849436), (5298, 3797718), (5492, 3663567), (5532, 3637077), (7947, 2531812), (8238, 2442378), (8298, 2424718), (10596, 1898859), (12357, 1628252), (15894, 1265906), (16476, 1221189), (16596, 1212359), (24714, 814126), (31788, 632953), (49428, 407063)]