20948412

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{661}}^1$

素因数の和:826

約数の個数: 48

約数和(自身を含む): 51900800

約数和(自身を除く): 30952388

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 139, 228, 278, 417, 556, 661, 834, 1322, 1668, 1983, 2641, 2644, 3966, 5282, 7923, 7932, 10564, 12559, 15846, 25118, 31692, 37677, 50236, 75354, 91879, 150708, 183758, 275637, 367516, 551274, 1102548, 1745701, 3491402, 5237103, 6982804, 10474206, 20948412]

約数ペア:

[(1, 20948412), (2, 10474206), (3, 6982804), (4, 5237103), (6, 3491402), (12, 1745701), (19, 1102548), (38, 551274), (57, 367516), (76, 275637), (114, 183758), (139, 150708), (228, 91879), (278, 75354), (417, 50236), (556, 37677), (661, 31692), (834, 25118), (1322, 15846), (1668, 12559), (1983, 10564), (2641, 7932), (2644, 7923), (3966, 5282)]