20065794

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:671

約数の個数: 48

約数和(自身を含む): 47130336

約数和(自身を除く): 27064542

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 131, 147, 262, 294, 393, 521, 786, 917, 1042, 1563, 1834, 2751, 3126, 3647, 5502, 6419, 7294, 10941, 12838, 19257, 21882, 25529, 38514, 51058, 68251, 76587, 136502, 153174, 204753, 409506, 477757, 955514, 1433271, 2866542, 3344299, 6688598, 10032897, 20065794]

約数ペア:

[(1, 20065794), (2, 10032897), (3, 6688598), (6, 3344299), (7, 2866542), (14, 1433271), (21, 955514), (42, 477757), (49, 409506), (98, 204753), (131, 153174), (147, 136502), (262, 76587), (294, 68251), (393, 51058), (521, 38514), (786, 25529), (917, 21882), (1042, 19257), (1563, 12838), (1834, 10941), (2751, 7294), (3126, 6419), (3647, 5502)]