20531630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2239}}^1$

素因数の和:2384

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 22046290

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 131, 262, 655, 917, 1310, 1834, 2239, 4478, 4585, 9170, 11195, 15673, 22390, 31346, 78365, 156730, 293309, 586618, 1466545, 2053163, 2933090, 4106326, 10265815, 20531630]

約数ペア:

[(1, 20531630), (2, 10265815), (5, 4106326), (7, 2933090), (10, 2053163), (14, 1466545), (35, 586618), (70, 293309), (131, 156730), (262, 78365), (655, 31346), (917, 22390), (1310, 15673), (1834, 11195), (2239, 9170), (4478, 4585)]