20219493815

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1801}}^1\times {\mathrm{2003}}^1$

素因数の和:3887

約数の個数: 32

約数和(自身を含む): 26000697600

約数和(自身を除く): 5781203785

約数列:

[1, 5, 19, 59, 95, 295, 1121, 1801, 2003, 5605, 9005, 10015, 34219, 38057, 106259, 118177, 171095, 190285, 531295, 590885, 2018921, 2245363, 3607403, 10094605, 11226815, 18037015, 68540657, 212836777, 342703285, 1064183885, 4043898763, 20219493815]

約数ペア:

[(1, 20219493815), (5, 4043898763), (19, 1064183885), (59, 342703285), (95, 212836777), (295, 68540657), (1121, 18037015), (1801, 11226815), (2003, 10094605), (5605, 3607403), (9005, 2245363), (10015, 2018921), (34219, 590885), (38057, 531295), (106259, 190285), (118177, 171095)]