20387570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15329}}^1$

素因数の和:15362

約数の個数: 32

約数和(自身を含む): 44150400

約数和(自身を除く): 23762830

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 15329, 30658, 76645, 107303, 153290, 214606, 291251, 536515, 582502, 1073030, 1456255, 2038757, 2912510, 4077514, 10193785, 20387570]

約数ペア:

[(1, 20387570), (2, 10193785), (5, 4077514), (7, 2912510), (10, 2038757), (14, 1456255), (19, 1073030), (35, 582502), (38, 536515), (70, 291251), (95, 214606), (133, 153290), (190, 107303), (266, 76645), (665, 30658), (1330, 15329)]