20761647935

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1901}}^1\times {\mathrm{13567}}^1$

素因数の和:15503

約数の個数: 32

約数和(自身を含む): 29728899072

約数和(自身を除く): 8967251137

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 1901, 9505, 13307, 13567, 43723, 66535, 67835, 94969, 218615, 306061, 312041, 474845, 1530305, 1560205, 2184287, 10921435, 25790867, 128954335, 180536069, 593189941, 902680345, 2965949705, 4152329587, 20761647935]

約数ペア:

[(1, 20761647935), (5, 4152329587), (7, 2965949705), (23, 902680345), (35, 593189941), (115, 180536069), (161, 128954335), (805, 25790867), (1901, 10921435), (9505, 2184287), (13307, 1560205), (13567, 1530305), (43723, 474845), (66535, 312041), (67835, 306061), (94969, 218615)]