20123555766

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1249}}^1\times {\mathrm{1789}}^1$

素因数の和:3141

約数の個数: 64

約数和(自身を含む): 42960000000

約数和(自身を除く): 22836444234

約数列:

[1, 2, 3, 6, 19, 38, 57, 79, 114, 158, 237, 474, 1249, 1501, 1789, 2498, 3002, 3578, 3747, 4503, 5367, 7494, 9006, 10734, 23731, 33991, 47462, 67982, 71193, 98671, 101973, 141331, 142386, 197342, 203946, 282662, 296013, 423993, 592026, 847986, 1874749, 2234461, 2685289, 3749498, 4468922, 5370578, 5624247, 6703383, 8055867, 11248494, 13406766, 16111734, 42454759, 84909518, 127364277, 176522419, 254728554, 353044838, 529567257, 1059134514, 3353925961, 6707851922, 10061777883, 20123555766]

約数ペア:

[(1, 20123555766), (2, 10061777883), (3, 6707851922), (6, 3353925961), (19, 1059134514), (38, 529567257), (57, 353044838), (79, 254728554), (114, 176522419), (158, 127364277), (237, 84909518), (474, 42454759), (1249, 16111734), (1501, 13406766), (1789, 11248494), (2498, 8055867), (3002, 6703383), (3578, 5624247), (3747, 5370578), (4503, 4468922), (5367, 3749498), (7494, 2685289), (9006, 2234461), (10734, 1874749), (23731, 847986), (33991, 592026), (47462, 423993), (67982, 296013), (71193, 282662), (98671, 203946), (101973, 197342), (141331, 142386)]