20808884

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{2971}}^1$

素因数の和:3095

約数の個数: 24

約数和(自身を含む): 38945088

約数和(自身を除く): 18136204

約数列:

[1, 2, 4, 17, 34, 68, 103, 206, 412, 1751, 2971, 3502, 5942, 7004, 11884, 50507, 101014, 202028, 306013, 612026, 1224052, 5202221, 10404442, 20808884]

約数ペア:

[(1, 20808884), (2, 10404442), (4, 5202221), (17, 1224052), (34, 612026), (68, 306013), (103, 202028), (206, 101014), (412, 50507), (1751, 11884), (2971, 7004), (3502, 5942)]