20112080

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8669}}^1$

素因数の和:8711

約数の個数: 40

約数和(自身を含む): 48378600

約数和(自身を除く): 28266520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 8669, 17338, 34676, 43345, 69352, 86690, 138704, 173380, 251401, 346760, 502802, 693520, 1005604, 1257005, 2011208, 2514010, 4022416, 5028020, 10056040, 20112080]

約数ペア:

[(1, 20112080), (2, 10056040), (4, 5028020), (5, 4022416), (8, 2514010), (10, 2011208), (16, 1257005), (20, 1005604), (29, 693520), (40, 502802), (58, 346760), (80, 251401), (116, 173380), (145, 138704), (232, 86690), (290, 69352), (464, 43345), (580, 34676), (1160, 17338), (2320, 8669)]