20784498

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{2161}}^1$

素因数の和:2402

約数の個数: 32

約数和(自身を含む): 47736960

約数和(自身を除く): 26952462

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 229, 458, 687, 1374, 1603, 2161, 3206, 4322, 4809, 6483, 9618, 12966, 15127, 30254, 45381, 90762, 494869, 989738, 1484607, 2969214, 3464083, 6928166, 10392249, 20784498]

約数ペア:

[(1, 20784498), (2, 10392249), (3, 6928166), (6, 3464083), (7, 2969214), (14, 1484607), (21, 989738), (42, 494869), (229, 90762), (458, 45381), (687, 30254), (1374, 15127), (1603, 12966), (2161, 9618), (3206, 6483), (4322, 4809)]