20145707799

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1\times {\mathrm{26437}}^1$

素因数の和:26855

約数の個数: 32

約数和(自身を含む): 31045403136

約数和(自身を除く): 10899695337

約数列:

[1, 3, 7, 21, 131, 277, 393, 831, 917, 1939, 2751, 5817, 26437, 36287, 79311, 108861, 185059, 254009, 555177, 762027, 3463247, 7323049, 10389741, 21969147, 24242729, 51261343, 72728187, 153784029, 959319419, 2877958257, 6715235933, 20145707799]

約数ペア:

[(1, 20145707799), (3, 6715235933), (7, 2877958257), (21, 959319419), (131, 153784029), (277, 72728187), (393, 51261343), (831, 24242729), (917, 21969147), (1939, 10389741), (2751, 7323049), (5817, 3463247), (26437, 762027), (36287, 555177), (79311, 254009), (108861, 185059)]