20871972

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{17569}}^1$

素因数の和:17593

約数の個数: 48

約数和(自身を含む): 59035200

約数和(自身を除く): 38163228

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 99, 108, 132, 198, 297, 396, 594, 1188, 17569, 35138, 52707, 70276, 105414, 158121, 193259, 210828, 316242, 386518, 474363, 579777, 632484, 773036, 948726, 1159554, 1739331, 1897452, 2319108, 3478662, 5217993, 6957324, 10435986, 20871972]

約数ペア:

[(1, 20871972), (2, 10435986), (3, 6957324), (4, 5217993), (6, 3478662), (9, 2319108), (11, 1897452), (12, 1739331), (18, 1159554), (22, 948726), (27, 773036), (33, 632484), (36, 579777), (44, 474363), (54, 386518), (66, 316242), (99, 210828), (108, 193259), (132, 158121), (198, 105414), (297, 70276), (396, 52707), (594, 35138), (1188, 17569)]