20120636

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{389}}^1$

素因数の和:653

約数の個数: 24

約数和(自身を含む): 36014160

約数和(自身を除く): 15893524

約数列:

[1, 2, 4, 67, 134, 193, 268, 386, 389, 772, 778, 1556, 12931, 25862, 26063, 51724, 52126, 75077, 104252, 150154, 300308, 5030159, 10060318, 20120636]

約数ペア:

[(1, 20120636), (2, 10060318), (4, 5030159), (67, 300308), (134, 150154), (193, 104252), (268, 75077), (386, 52126), (389, 51724), (772, 26063), (778, 25862), (1556, 12931)]