20861856

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{4261}}^1$

素因数の和:4294

約数の個数: 72

約数和(自身を含む): 62830404

約数和(自身を除く): 41968548

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 68, 72, 96, 102, 136, 144, 153, 204, 272, 288, 306, 408, 544, 612, 816, 1224, 1632, 2448, 4261, 4896, 8522, 12783, 17044, 25566, 34088, 38349, 51132, 68176, 72437, 76698, 102264, 136352, 144874, 153396, 204528, 217311, 289748, 306792, 409056, 434622, 579496, 613584, 651933, 869244, 1158992, 1227168, 1303866, 1738488, 2317984, 2607732, 3476976, 5215464, 6953952, 10430928, 20861856]

約数ペア:

[(1, 20861856), (2, 10430928), (3, 6953952), (4, 5215464), (6, 3476976), (8, 2607732), (9, 2317984), (12, 1738488), (16, 1303866), (17, 1227168), (18, 1158992), (24, 869244), (32, 651933), (34, 613584), (36, 579496), (48, 434622), (51, 409056), (68, 306792), (72, 289748), (96, 217311), (102, 204528), (136, 153396), (144, 144874), (153, 136352), (204, 102264), (272, 76698), (288, 72437), (306, 68176), (408, 51132), (544, 38349), (612, 34088), (816, 25566), (1224, 17044), (1632, 12783), (2448, 8522), (4261, 4896)]