20442076280

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4961669}}^1$

素因数の和:4961783

約数の個数: 32

約数和(自身を含む): 46441231200

約数和(自身を除く): 25999154920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 4961669, 9923338, 19846676, 24808345, 39693352, 49616690, 99233380, 198466760, 511051907, 1022103814, 2044207628, 2555259535, 4088415256, 5110519070, 10221038140, 20442076280]

約数ペア:

[(1, 20442076280), (2, 10221038140), (4, 5110519070), (5, 4088415256), (8, 2555259535), (10, 2044207628), (20, 1022103814), (40, 511051907), (103, 198466760), (206, 99233380), (412, 49616690), (515, 39693352), (824, 24808345), (1030, 19846676), (2060, 9923338), (4120, 4961669)]