20406608

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{3533}}^1$

素因数の和:3579

約数の個数: 30

約数和(自身を含む): 41740074

約数和(自身を除く): 21333466

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 361, 722, 1444, 2888, 3533, 5776, 7066, 14132, 28264, 56528, 67127, 134254, 268508, 537016, 1074032, 1275413, 2550826, 5101652, 10203304, 20406608]

約数ペア:

[(1, 20406608), (2, 10203304), (4, 5101652), (8, 2550826), (16, 1275413), (19, 1074032), (38, 537016), (76, 268508), (152, 134254), (304, 67127), (361, 56528), (722, 28264), (1444, 14132), (2888, 7066), (3533, 5776)]