20500956

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{81353}}^1$

素因数の和:81370

約数の個数: 36

約数和(自身を含む): 59225712

約数和(自身を除く): 38724756

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 81353, 162706, 244059, 325412, 488118, 569471, 732177, 976236, 1138942, 1464354, 1708413, 2277884, 2928708, 3416826, 5125239, 6833652, 10250478, 20500956]

約数ペア:

[(1, 20500956), (2, 10250478), (3, 6833652), (4, 5125239), (6, 3416826), (7, 2928708), (9, 2277884), (12, 1708413), (14, 1464354), (18, 1138942), (21, 976236), (28, 732177), (36, 569471), (42, 488118), (63, 325412), (84, 244059), (126, 162706), (252, 81353)]