20570046

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:353

約数の個数: 64

約数和(自身を含む): 50112000

約数和(自身を除く): 29541954

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 149, 173, 266, 298, 346, 399, 447, 519, 798, 894, 1038, 1043, 1211, 2086, 2422, 2831, 3129, 3287, 3633, 5662, 6258, 6574, 7266, 8493, 9861, 16986, 19722, 19817, 23009, 25777, 39634, 46018, 51554, 59451, 69027, 77331, 118902, 138054, 154662, 180439, 360878, 489763, 541317, 979526, 1082634, 1469289, 2938578, 3428341, 6856682, 10285023, 20570046]

約数ペア:

[(1, 20570046), (2, 10285023), (3, 6856682), (6, 3428341), (7, 2938578), (14, 1469289), (19, 1082634), (21, 979526), (38, 541317), (42, 489763), (57, 360878), (114, 180439), (133, 154662), (149, 138054), (173, 118902), (266, 77331), (298, 69027), (346, 59451), (399, 51554), (447, 46018), (519, 39634), (798, 25777), (894, 23009), (1038, 19817), (1043, 19722), (1211, 16986), (2086, 9861), (2422, 8493), (2831, 7266), (3129, 6574), (3287, 6258), (3633, 5662)]