20680956

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{24977}}^1$

素因数の和:25010

約数の個数: 36

約数和(自身を含む): 54551952

約数和(自身を除く): 33870996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 24977, 49954, 74931, 99908, 149862, 224793, 299724, 449586, 574471, 899172, 1148942, 1723413, 2297884, 3446826, 5170239, 6893652, 10340478, 20680956]

約数ペア:

[(1, 20680956), (2, 10340478), (3, 6893652), (4, 5170239), (6, 3446826), (9, 2297884), (12, 1723413), (18, 1148942), (23, 899172), (36, 574471), (46, 449586), (69, 299724), (92, 224793), (138, 149862), (207, 99908), (276, 74931), (414, 49954), (828, 24977)]