2019939820

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{564229}}^1$

素因数の和:564417

約数の個数: 24

約数和(自身を含む): 4265578800

約数和(自身を除く): 2245638980

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 564229, 1128458, 2256916, 2821145, 5642290, 11284580, 100996991, 201993982, 403987964, 504984955, 1009969910, 2019939820]

約数ペア:

[(1, 2019939820), (2, 1009969910), (4, 504984955), (5, 403987964), (10, 201993982), (20, 100996991), (179, 11284580), (358, 5642290), (716, 2821145), (895, 2256916), (1790, 1128458), (3580, 564229)]