20550972

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1279}}^1$

素因数の和:1402

約数の個数: 48

約数和(自身を含む): 52183040

約数和(自身を除く): 31632068

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 103, 156, 206, 309, 412, 618, 1236, 1279, 1339, 2558, 2678, 3837, 4017, 5116, 5356, 7674, 8034, 15348, 16068, 16627, 33254, 49881, 66508, 99762, 131737, 199524, 263474, 395211, 526948, 790422, 1580844, 1712581, 3425162, 5137743, 6850324, 10275486, 20550972]

約数ペア:

[(1, 20550972), (2, 10275486), (3, 6850324), (4, 5137743), (6, 3425162), (12, 1712581), (13, 1580844), (26, 790422), (39, 526948), (52, 395211), (78, 263474), (103, 199524), (156, 131737), (206, 99762), (309, 66508), (412, 49881), (618, 33254), (1236, 16627), (1279, 16068), (1339, 15348), (2558, 8034), (2678, 7674), (3837, 5356), (4017, 5116)]