20148.000000

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{1013}}^1$

素因数の和:1035

約数の個数: 36

約数和(自身を含む): 2254122

約数和(自身を除く): 1360656

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 1013, 2026, 3039, 6078, 7091, 9117, 14182, 18234, 21273, 42546, 49637, 63819, 99274, 127638, 148911, 297822, 446733, 893466]

約数ペア:

[(1, 893466), (2, 446733), (3, 297822), (6, 148911), (7, 127638), (9, 99274), (14, 63819), (18, 49637), (21, 42546), (42, 21273), (49, 18234), (63, 14182), (98, 9117), (126, 7091), (147, 6078), (294, 3039), (441, 2026), (882, 1013)]