20087469405

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{123619}}^1$

素因数の和:123810

約数の個数: 48

約数和(自身を含む): 36563829120

約数和(自身を除く): 16476359715

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 157, 207, 345, 471, 785, 1035, 1413, 2355, 3611, 7065, 10833, 18055, 32499, 54165, 123619, 162495, 370857, 618095, 1112571, 1854285, 2843237, 5562855, 8529711, 14216185, 19408183, 25589133, 42648555, 58224549, 97040915, 127945665, 174673647, 291122745, 446388209, 873368235, 1339164627, 2231941045, 4017493881, 6695823135, 20087469405]

約数ペア:

[(1, 20087469405), (3, 6695823135), (5, 4017493881), (9, 2231941045), (15, 1339164627), (23, 873368235), (45, 446388209), (69, 291122745), (115, 174673647), (157, 127945665), (207, 97040915), (345, 58224549), (471, 42648555), (785, 25589133), (1035, 19408183), (1413, 14216185), (2355, 8529711), (3611, 5562855), (7065, 2843237), (10833, 1854285), (18055, 1112571), (32499, 618095), (54165, 370857), (123619, 162495)]