20374692

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{997}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 51640512

約数和(自身を除く): 31265820

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 131, 156, 262, 393, 524, 786, 997, 1572, 1703, 1994, 2991, 3406, 3988, 5109, 5982, 6812, 10218, 11964, 12961, 20436, 25922, 38883, 51844, 77766, 130607, 155532, 261214, 391821, 522428, 783642, 1567284, 1697891, 3395782, 5093673, 6791564, 10187346, 20374692]

約数ペア:

[(1, 20374692), (2, 10187346), (3, 6791564), (4, 5093673), (6, 3395782), (12, 1697891), (13, 1567284), (26, 783642), (39, 522428), (52, 391821), (78, 261214), (131, 155532), (156, 130607), (262, 77766), (393, 51844), (524, 38883), (786, 25922), (997, 20436), (1572, 12961), (1703, 11964), (1994, 10218), (2991, 6812), (3406, 5982), (3988, 5109)]