20332760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{72617}}^1$

素因数の和:72635

約数の個数: 32

約数和(自身を含む): 52284960

約数和(自身を除く): 31952200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 72617, 145234, 290468, 363085, 508319, 580936, 726170, 1016638, 1452340, 2033276, 2541595, 2904680, 4066552, 5083190, 10166380, 20332760]

約数ペア:

[(1, 20332760), (2, 10166380), (4, 5083190), (5, 4066552), (7, 2904680), (8, 2541595), (10, 2033276), (14, 1452340), (20, 1016638), (28, 726170), (35, 580936), (40, 508319), (56, 363085), (70, 290468), (140, 145234), (280, 72617)]