20111982

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{13249}}^1$

素因数の和:13288

約数の個数: 32

約数和(自身を含む): 45792000

約数和(自身を除く): 25680018

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 759, 1518, 13249, 26498, 39747, 79494, 145739, 291478, 304727, 437217, 609454, 874434, 914181, 1828362, 3351997, 6703994, 10055991, 20111982]

約数ペア:

[(1, 20111982), (2, 10055991), (3, 6703994), (6, 3351997), (11, 1828362), (22, 914181), (23, 874434), (33, 609454), (46, 437217), (66, 304727), (69, 291478), (138, 145739), (253, 79494), (506, 39747), (759, 26498), (1518, 13249)]