20879656

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{7933}}^1$

素因数の和:7993

約数の個数: 32

約数和(自身を含む): 45699840

約数和(自身を除く): 24820184

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 7933, 15866, 31732, 55531, 63464, 111062, 222124, 372851, 444248, 745702, 1491404, 2609957, 2982808, 5219914, 10439828, 20879656]

約数ペア:

[(1, 20879656), (2, 10439828), (4, 5219914), (7, 2982808), (8, 2609957), (14, 1491404), (28, 745702), (47, 444248), (56, 372851), (94, 222124), (188, 111062), (329, 63464), (376, 55531), (658, 31732), (1316, 15866), (2632, 7933)]