20180121572

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1297}}^1\times {\mathrm{299213}}^1$

素因数の和:300527

約数の個数: 24

約数和(自身を含む): 38061217656

約数和(自身を除く): 17881096084

約数列:

[1, 2, 4, 13, 26, 52, 1297, 2594, 5188, 16861, 33722, 67444, 299213, 598426, 1196852, 3889769, 7779538, 15559076, 388079261, 776158522, 1552317044, 5045030393, 10090060786, 20180121572]

約数ペア:

[(1, 20180121572), (2, 10090060786), (4, 5045030393), (13, 1552317044), (26, 776158522), (52, 388079261), (1297, 15559076), (2594, 7779538), (5188, 3889769), (16861, 1196852), (33722, 598426), (67444, 299213)]