20161597255

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1\times {\mathrm{8741}}^1$

素因数の和:9447

約数の個数: 32

約数和(自身を含む): 26103472128

約数和(自身を除く): 5941874873

約数列:

[1, 5, 23, 31, 115, 155, 647, 713, 3235, 3565, 8741, 14881, 20057, 43705, 74405, 100285, 201043, 270971, 461311, 1005215, 1354855, 2306555, 5655427, 6232333, 28277135, 31161665, 130074821, 175318237, 650374105, 876591185, 4032319451, 20161597255]

約数ペア:

[(1, 20161597255), (5, 4032319451), (23, 876591185), (31, 650374105), (115, 175318237), (155, 130074821), (647, 31161665), (713, 28277135), (3235, 6232333), (3565, 5655427), (8741, 2306555), (14881, 1354855), (20057, 1005215), (43705, 461311), (74405, 270971), (100285, 201043)]