20837685

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2687}}^1$

素因数の和:2753

約数の個数: 32

約数和(自身を含む): 37158912

約数和(自身を除く): 16321227

約数列:

[1, 3, 5, 11, 15, 33, 47, 55, 141, 165, 235, 517, 705, 1551, 2585, 2687, 7755, 8061, 13435, 29557, 40305, 88671, 126289, 147785, 378867, 443355, 631445, 1389179, 1894335, 4167537, 6945895, 20837685]

約数ペア:

[(1, 20837685), (3, 6945895), (5, 4167537), (11, 1894335), (15, 1389179), (33, 631445), (47, 443355), (55, 378867), (141, 147785), (165, 126289), (235, 88671), (517, 40305), (705, 29557), (1551, 13435), (2585, 8061), (2687, 7755)]