20918982

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{71153}}^1$

素因数の和:71172

約数の個数: 24

約数和(自身を含む): 48669336

約数和(自身を除く): 27750354

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 71153, 142306, 213459, 426918, 498071, 996142, 1494213, 2988426, 3486497, 6972994, 10459491, 20918982]

約数ペア:

[(1, 20918982), (2, 10459491), (3, 6972994), (6, 3486497), (7, 2988426), (14, 1494213), (21, 996142), (42, 498071), (49, 426918), (98, 213459), (147, 142306), (294, 71153)]