20646996

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{661}}^1$

素因数の和:824

約数の個数: 48

約数和(自身を含む): 51159360

約数和(自身を除く): 30512364

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 137, 228, 274, 411, 548, 661, 822, 1322, 1644, 1983, 2603, 2644, 3966, 5206, 7809, 7932, 10412, 12559, 15618, 25118, 31236, 37677, 50236, 75354, 90557, 150708, 181114, 271671, 362228, 543342, 1086684, 1720583, 3441166, 5161749, 6882332, 10323498, 20646996]

約数ペア:

[(1, 20646996), (2, 10323498), (3, 6882332), (4, 5161749), (6, 3441166), (12, 1720583), (19, 1086684), (38, 543342), (57, 362228), (76, 271671), (114, 181114), (137, 150708), (228, 90557), (274, 75354), (411, 50236), (548, 37677), (661, 31236), (822, 25118), (1322, 15618), (1644, 12559), (1983, 10412), (2603, 7932), (2644, 7809), (3966, 5206)]