20452904

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1489}}^1$

素因数の和:1613

約数の個数: 32

約数和(自身を含む): 41034600

約数和(自身を除く): 20581696

約数列:

[1, 2, 4, 8, 17, 34, 68, 101, 136, 202, 404, 808, 1489, 1717, 2978, 3434, 5956, 6868, 11912, 13736, 25313, 50626, 101252, 150389, 202504, 300778, 601556, 1203112, 2556613, 5113226, 10226452, 20452904]

約数ペア:

[(1, 20452904), (2, 10226452), (4, 5113226), (8, 2556613), (17, 1203112), (34, 601556), (68, 300778), (101, 202504), (136, 150389), (202, 101252), (404, 50626), (808, 25313), (1489, 13736), (1717, 11912), (2978, 6868), (3434, 5956)]