20382804

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{449}}^1$

素因数の和:569

約数の個数: 72

約数和(自身を含む): 56183400

約数和(自身を除く): 35800596

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 97, 117, 156, 194, 234, 291, 388, 449, 468, 582, 873, 898, 1164, 1261, 1347, 1746, 1796, 2522, 2694, 3492, 3783, 4041, 5044, 5388, 5837, 7566, 8082, 11349, 11674, 15132, 16164, 17511, 22698, 23348, 35022, 43553, 45396, 52533, 70044, 87106, 105066, 130659, 174212, 210132, 261318, 391977, 522636, 566189, 783954, 1132378, 1567908, 1698567, 2264756, 3397134, 5095701, 6794268, 10191402, 20382804]

約数ペア:

[(1, 20382804), (2, 10191402), (3, 6794268), (4, 5095701), (6, 3397134), (9, 2264756), (12, 1698567), (13, 1567908), (18, 1132378), (26, 783954), (36, 566189), (39, 522636), (52, 391977), (78, 261318), (97, 210132), (117, 174212), (156, 130659), (194, 105066), (234, 87106), (291, 70044), (388, 52533), (449, 45396), (468, 43553), (582, 35022), (873, 23348), (898, 22698), (1164, 17511), (1261, 16164), (1347, 15132), (1746, 11674), (1796, 11349), (2522, 8082), (2694, 7566), (3492, 5837), (3783, 5388), (4041, 5044)]