20966512528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1901897}}^1$

素因数の和:1901971

約数の個数: 40

約数和(自身を含む): 44572881528

約数和(自身を除く): 23606369000

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 424, 689, 848, 1378, 2756, 5512, 11024, 1901897, 3803794, 7607588, 15215176, 24724661, 30430352, 49449322, 98898644, 100800541, 197797288, 201601082, 395594576, 403202164, 806404328, 1310407033, 1612808656, 2620814066, 5241628132, 10483256264, 20966512528]

約数ペア:

[(1, 20966512528), (2, 10483256264), (4, 5241628132), (8, 2620814066), (13, 1612808656), (16, 1310407033), (26, 806404328), (52, 403202164), (53, 395594576), (104, 201601082), (106, 197797288), (208, 100800541), (212, 98898644), (424, 49449322), (689, 30430352), (848, 24724661), (1378, 15215176), (2756, 7607588), (5512, 3803794), (11024, 1901897)]