20159095

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 28200960

約数和(自身を除く): 8041865

約数列:

[1, 5, 11, 19, 55, 95, 101, 191, 209, 505, 955, 1045, 1111, 1919, 2101, 3629, 5555, 9595, 10505, 18145, 19291, 21109, 39919, 96455, 105545, 199595, 212201, 366529, 1061005, 1832645, 4031819, 20159095]

約数ペア:

[(1, 20159095), (5, 4031819), (11, 1832645), (19, 1061005), (55, 366529), (95, 212201), (101, 199595), (191, 105545), (209, 96455), (505, 39919), (955, 21109), (1045, 19291), (1111, 18145), (1919, 10505), (2101, 9595), (3629, 5555)]