20474868

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{601}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 50972544

約数和(自身を除く): 30497676

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 167, 204, 334, 501, 601, 668, 1002, 1202, 1803, 2004, 2404, 2839, 3606, 5678, 7212, 8517, 10217, 11356, 17034, 20434, 30651, 34068, 40868, 61302, 100367, 122604, 200734, 301101, 401468, 602202, 1204404, 1706239, 3412478, 5118717, 6824956, 10237434, 20474868]

約数ペア:

[(1, 20474868), (2, 10237434), (3, 6824956), (4, 5118717), (6, 3412478), (12, 1706239), (17, 1204404), (34, 602202), (51, 401468), (68, 301101), (102, 200734), (167, 122604), (204, 100367), (334, 61302), (501, 40868), (601, 34068), (668, 30651), (1002, 20434), (1202, 17034), (1803, 11356), (2004, 10217), (2404, 8517), (2839, 7212), (3606, 5678)]