20481330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15877}}^1$

素因数の和:15930

約数の個数: 32

約数和(自身を含む): 50301504

約数和(自身を除く): 29820174

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 15877, 31754, 47631, 79385, 95262, 158770, 238155, 476310, 682711, 1365422, 2048133, 3413555, 4096266, 6827110, 10240665, 20481330]

約数ペア:

[(1, 20481330), (2, 10240665), (3, 6827110), (5, 4096266), (6, 3413555), (10, 2048133), (15, 1365422), (30, 682711), (43, 476310), (86, 238155), (129, 158770), (215, 95262), (258, 79385), (430, 47631), (645, 31754), (1290, 15877)]