20740804495

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{577}}^1\times {\mathrm{1579}}^1$

素因数の和:2347

約数の個数: 32

約数和(自身を含む): 25972545600

約数和(自身を除く): 5231741105

約数列:

[1, 5, 29, 145, 157, 577, 785, 1579, 2885, 4553, 7895, 16733, 22765, 45791, 83665, 90589, 228955, 247903, 452945, 911083, 1239515, 2627081, 4555415, 7189187, 13135405, 26421407, 35945935, 132107035, 143040031, 715200155, 4148160899, 20740804495]

約数ペア:

[(1, 20740804495), (5, 4148160899), (29, 715200155), (145, 143040031), (157, 132107035), (577, 35945935), (785, 26421407), (1579, 13135405), (2885, 7189187), (4553, 4555415), (7895, 2627081), (16733, 1239515), (22765, 911083), (45791, 452945), (83665, 247903), (90589, 228955)]