20590548

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{401}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 52678080

約数和(自身を除く): 32087532

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 389, 401, 778, 802, 1167, 1203, 1556, 1604, 2334, 2406, 4279, 4411, 4668, 4812, 8558, 8822, 12837, 13233, 17116, 17644, 25674, 26466, 51348, 52932, 155989, 311978, 467967, 623956, 935934, 1715879, 1871868, 3431758, 5147637, 6863516, 10295274, 20590548]

約数ペア:

[(1, 20590548), (2, 10295274), (3, 6863516), (4, 5147637), (6, 3431758), (11, 1871868), (12, 1715879), (22, 935934), (33, 623956), (44, 467967), (66, 311978), (132, 155989), (389, 52932), (401, 51348), (778, 26466), (802, 25674), (1167, 17644), (1203, 17116), (1556, 13233), (1604, 12837), (2334, 8822), (2406, 8558), (4279, 4812), (4411, 4668)]