12162020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1613}}^1$

素因数の和:1664

約数の個数: 48

約数和(自身を含む): 28470960

約数和(自身を除く): 16308940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1613, 1885, 3226, 3770, 6452, 7540, 8065, 16130, 20969, 32260, 41938, 46777, 83876, 93554, 104845, 187108, 209690, 233885, 419380, 467770, 608101, 935540, 1216202, 2432404, 3040505, 6081010, 12162020]

約数ペア:

[(1, 12162020), (2, 6081010), (4, 3040505), (5, 2432404), (10, 1216202), (13, 935540), (20, 608101), (26, 467770), (29, 419380), (52, 233885), (58, 209690), (65, 187108), (116, 104845), (130, 93554), (145, 83876), (260, 46777), (290, 41938), (377, 32260), (580, 20969), (754, 16130), (1508, 8065), (1613, 7540), (1885, 6452), (3226, 3770)]