20657923779

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{547}}^1\times {\mathrm{3877}}^1$

素因数の和:4635

約数の個数: 32

約数和(自身を含む): 29377990656

約数和(自身を除く): 8720066877

約数列:

[1, 3, 17, 51, 191, 547, 573, 1641, 3247, 3877, 9299, 9741, 11631, 27897, 65909, 104477, 197727, 313431, 740507, 1776109, 2120719, 2221521, 5328327, 6362157, 12588619, 36052223, 37765857, 108156669, 405057329, 1215171987, 6885974593, 20657923779]

約数ペア:

[(1, 20657923779), (3, 6885974593), (17, 1215171987), (51, 405057329), (191, 108156669), (547, 37765857), (573, 36052223), (1641, 12588619), (3247, 6362157), (3877, 5328327), (9299, 2221521), (9741, 2120719), (11631, 1776109), (27897, 740507), (65909, 313431), (104477, 197727)]