20739502

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{733}}^1$

素因数の和:832

約数の個数: 32

約数和(自身を含む): 37204992

約数和(自身を除く): 16465490

約数列:

[1, 2, 7, 14, 43, 47, 86, 94, 301, 329, 602, 658, 733, 1466, 2021, 4042, 5131, 10262, 14147, 28294, 31519, 34451, 63038, 68902, 220633, 241157, 441266, 482314, 1481393, 2962786, 10369751, 20739502]

約数ペア:

[(1, 20739502), (2, 10369751), (7, 2962786), (14, 1481393), (43, 482314), (47, 441266), (86, 241157), (94, 220633), (301, 68902), (329, 63038), (602, 34451), (658, 31519), (733, 28294), (1466, 14147), (2021, 10262), (4042, 5131)]