20665096

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{809}}^1$

素因数の和:949

約数の個数: 32

約数和(自身を含む): 40435200

約数和(自身を除く): 19770104

約数列:

[1, 2, 4, 8, 31, 62, 103, 124, 206, 248, 412, 809, 824, 1618, 3193, 3236, 6386, 6472, 12772, 25079, 25544, 50158, 83327, 100316, 166654, 200632, 333308, 666616, 2583137, 5166274, 10332548, 20665096]

約数ペア:

[(1, 20665096), (2, 10332548), (4, 5166274), (8, 2583137), (31, 666616), (62, 333308), (103, 200632), (124, 166654), (206, 100316), (248, 83327), (412, 50158), (809, 25544), (824, 25079), (1618, 12772), (3193, 6472), (3236, 6386)]