20298872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{919}}^1$

素因数の和:1187

約数の個数: 32

約数和(自身を含む): 41731200

約数和(自身を除く): 21432328

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 251, 502, 919, 1004, 1838, 2008, 2761, 3676, 5522, 7352, 10109, 11044, 20218, 22088, 40436, 80872, 230669, 461338, 922676, 1845352, 2537359, 5074718, 10149436, 20298872]

約数ペア:

[(1, 20298872), (2, 10149436), (4, 5074718), (8, 2537359), (11, 1845352), (22, 922676), (44, 461338), (88, 230669), (251, 80872), (502, 40436), (919, 22088), (1004, 20218), (1838, 11044), (2008, 10109), (2761, 7352), (3676, 5522)]