20564849697

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{631}}^1\times {\mathrm{91291}}^1$

素因数の和:91949

約数の個数: 32

約数和(自身を含む): 33233209344

約数和(自身を除く): 12668359647

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 631, 1893, 4417, 10727, 13251, 32181, 75089, 91291, 225267, 273873, 639037, 1551947, 1917111, 4655841, 10863629, 32590887, 57604621, 172813863, 403232347, 979278557, 1209697041, 2937835671, 6854949899, 20564849697]

約数ペア:

[(1, 20564849697), (3, 6854949899), (7, 2937835671), (17, 1209697041), (21, 979278557), (51, 403232347), (119, 172813863), (357, 57604621), (631, 32590887), (1893, 10863629), (4417, 4655841), (10727, 1917111), (13251, 1551947), (32181, 639037), (75089, 273873), (91291, 225267)]