20704464

素因数分解:

$2^4\times 3^3\times {\mathrm{11}}^1\times {\mathrm{4357}}^1$

素因数の和:4385

約数の個数: 80

約数和(自身を含む): 64847040

約数和(自身を除く): 44142576

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 33, 36, 44, 48, 54, 66, 72, 88, 99, 108, 132, 144, 176, 198, 216, 264, 297, 396, 432, 528, 594, 792, 1188, 1584, 2376, 4357, 4752, 8714, 13071, 17428, 26142, 34856, 39213, 47927, 52284, 69712, 78426, 95854, 104568, 117639, 143781, 156852, 191708, 209136, 235278, 287562, 313704, 383416, 431343, 470556, 575124, 627408, 766832, 862686, 941112, 1150248, 1294029, 1725372, 1882224, 2300496, 2588058, 3450744, 5176116, 6901488, 10352232, 20704464]

約数ペア:

[(1, 20704464), (2, 10352232), (3, 6901488), (4, 5176116), (6, 3450744), (8, 2588058), (9, 2300496), (11, 1882224), (12, 1725372), (16, 1294029), (18, 1150248), (22, 941112), (24, 862686), (27, 766832), (33, 627408), (36, 575124), (44, 470556), (48, 431343), (54, 383416), (66, 313704), (72, 287562), (88, 235278), (99, 209136), (108, 191708), (132, 156852), (144, 143781), (176, 117639), (198, 104568), (216, 95854), (264, 78426), (297, 69712), (396, 52284), (432, 47927), (528, 39213), (594, 34856), (792, 26142), (1188, 17428), (1584, 13071), (2376, 8714), (4357, 4752)]