20455368

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{12721}}^1$

素因数の和:12797

約数の個数: 32

約数和(自身を含む): 51905760

約数和(自身を除く): 31450392

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804, 1608, 12721, 25442, 38163, 50884, 76326, 101768, 152652, 305304, 852307, 1704614, 2556921, 3409228, 5113842, 6818456, 10227684, 20455368]

約数ペア:

[(1, 20455368), (2, 10227684), (3, 6818456), (4, 5113842), (6, 3409228), (8, 2556921), (12, 1704614), (24, 852307), (67, 305304), (134, 152652), (201, 101768), (268, 76326), (402, 50884), (536, 38163), (804, 25442), (1608, 12721)]