20908206

素因数分解:

$2^1\times 3^5\times {\mathrm{11}}^1\times {\mathrm{3911}}^1$

素因数の和:3939

約数の個数: 48

約数和(自身を含む): 51262848

約数和(自身を除く): 30354642

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 81, 99, 162, 198, 243, 297, 486, 594, 891, 1782, 2673, 3911, 5346, 7822, 11733, 23466, 35199, 43021, 70398, 86042, 105597, 129063, 211194, 258126, 316791, 387189, 633582, 774378, 950373, 1161567, 1900746, 2323134, 3484701, 6969402, 10454103, 20908206]

約数ペア:

[(1, 20908206), (2, 10454103), (3, 6969402), (6, 3484701), (9, 2323134), (11, 1900746), (18, 1161567), (22, 950373), (27, 774378), (33, 633582), (54, 387189), (66, 316791), (81, 258126), (99, 211194), (162, 129063), (198, 105597), (243, 86042), (297, 70398), (486, 43021), (594, 35199), (891, 23466), (1782, 11733), (2673, 7822), (3911, 5346)]