20939646

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38351}}^1$

素因数の和:38376

約数の個数: 32

約数和(自身を含む): 51545088

約数和(自身を除く): 30605442

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 38351, 76702, 115053, 230106, 268457, 498563, 536914, 805371, 997126, 1495689, 1610742, 2991378, 3489941, 6979882, 10469823, 20939646]

約数ペア:

[(1, 20939646), (2, 10469823), (3, 6979882), (6, 3489941), (7, 2991378), (13, 1610742), (14, 1495689), (21, 997126), (26, 805371), (39, 536914), (42, 498563), (78, 268457), (91, 230106), (182, 115053), (273, 76702), (546, 38351)]