20877516

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{52721}}^1$

素因数の和:52742

約数の個数: 36

約数和(自身を含む): 57572424

約数和(自身を除く): 36694908

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 52721, 105442, 158163, 210884, 316326, 474489, 579931, 632652, 948978, 1159862, 1739793, 1897956, 2319724, 3479586, 5219379, 6959172, 10438758, 20877516]

約数ペア:

[(1, 20877516), (2, 10438758), (3, 6959172), (4, 5219379), (6, 3479586), (9, 2319724), (11, 1897956), (12, 1739793), (18, 1159862), (22, 948978), (33, 632652), (36, 579931), (44, 474489), (66, 316326), (99, 210884), (132, 158163), (198, 105442), (396, 52721)]