20165165072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{6299}}^1\times {\mathrm{15391}}^1$

素因数の和:21711

約数の個数: 40

約数和(自身を含む): 42084806400

約数和(自身を除く): 21919641328

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 6299, 12598, 15391, 25196, 30782, 50392, 61564, 81887, 100784, 123128, 163774, 200083, 246256, 327548, 400166, 655096, 800332, 1310192, 1600664, 3201328, 96947909, 193895818, 387791636, 775583272, 1260322817, 1551166544, 2520645634, 5041291268, 10082582536, 20165165072]

約数ペア:

[(1, 20165165072), (2, 10082582536), (4, 5041291268), (8, 2520645634), (13, 1551166544), (16, 1260322817), (26, 775583272), (52, 387791636), (104, 193895818), (208, 96947909), (6299, 3201328), (12598, 1600664), (15391, 1310192), (25196, 800332), (30782, 655096), (50392, 400166), (61564, 327548), (81887, 246256), (100784, 200083), (123128, 163774)]