20678797496

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{122557}}^1$

素因数の和:122724

約数の個数: 64

約数和(自身を含む): 46591649280

約数和(自身を除く): 25912851784

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 131, 161, 184, 262, 322, 524, 644, 917, 1048, 1288, 1834, 3013, 3668, 6026, 7336, 12052, 21091, 24104, 42182, 84364, 122557, 168728, 245114, 490228, 857899, 980456, 1715798, 2818811, 3431596, 5637622, 6863192, 11275244, 16054967, 19731677, 22550488, 32109934, 39463354, 64219868, 78926708, 112384769, 128439736, 157853416, 224769538, 369264241, 449539076, 738528482, 899078152, 1477056964, 2584849687, 2954113928, 5169699374, 10339398748, 20678797496]

約数ペア:

[(1, 20678797496), (2, 10339398748), (4, 5169699374), (7, 2954113928), (8, 2584849687), (14, 1477056964), (23, 899078152), (28, 738528482), (46, 449539076), (56, 369264241), (92, 224769538), (131, 157853416), (161, 128439736), (184, 112384769), (262, 78926708), (322, 64219868), (524, 39463354), (644, 32109934), (917, 22550488), (1048, 19731677), (1288, 16054967), (1834, 11275244), (3013, 6863192), (3668, 5637622), (6026, 3431596), (7336, 2818811), (12052, 1715798), (21091, 980456), (24104, 857899), (42182, 490228), (84364, 245114), (122557, 168728)]