20870982

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4583}}^1$

素因数の和:4625

約数の個数: 48

約数和(自身を含む): 51487488

約数和(自身を除く): 30616506

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 23, 33, 46, 66, 69, 99, 138, 198, 207, 253, 414, 506, 759, 1518, 2277, 4554, 4583, 9166, 13749, 27498, 41247, 50413, 82494, 100826, 105409, 151239, 210818, 302478, 316227, 453717, 632454, 907434, 948681, 1159499, 1897362, 2318998, 3478497, 6956994, 10435491, 20870982]

約数ペア:

[(1, 20870982), (2, 10435491), (3, 6956994), (6, 3478497), (9, 2318998), (11, 1897362), (18, 1159499), (22, 948681), (23, 907434), (33, 632454), (46, 453717), (66, 316227), (69, 302478), (99, 210818), (138, 151239), (198, 105409), (207, 100826), (253, 82494), (414, 50413), (506, 41247), (759, 27498), (1518, 13749), (2277, 9166), (4554, 4583)]