20257486580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{1204369}}^1$

素因数の和:1204436

約数の個数: 36

約数和(自身を含む): 44058263340

約数和(自身を除く): 23800776760

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 841, 1682, 3364, 4205, 8410, 16820, 1204369, 2408738, 4817476, 6021845, 12043690, 24087380, 34926701, 69853402, 139706804, 174633505, 349267010, 698534020, 1012874329, 2025748658, 4051497316, 5064371645, 10128743290, 20257486580]

約数ペア:

[(1, 20257486580), (2, 10128743290), (4, 5064371645), (5, 4051497316), (10, 2025748658), (20, 1012874329), (29, 698534020), (58, 349267010), (116, 174633505), (145, 139706804), (290, 69853402), (580, 34926701), (841, 24087380), (1682, 12043690), (3364, 6021845), (4205, 4817476), (8410, 2408738), (16820, 1204369)]