20199821204

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{7229}}^1\times {\mathrm{9839}}^1$

素因数の和:17143

約数の個数: 24

約数和(自身を含む): 35856172800

約数和(自身を除く): 15656351596

約数列:

[1, 2, 4, 71, 142, 284, 7229, 9839, 14458, 19678, 28916, 39356, 513259, 698569, 1026518, 1397138, 2053036, 2794276, 71126131, 142252262, 284504524, 5049955301, 10099910602, 20199821204]

約数ペア:

[(1, 20199821204), (2, 10099910602), (4, 5049955301), (71, 284504524), (142, 142252262), (284, 71126131), (7229, 2794276), (9839, 2053036), (14458, 1397138), (19678, 1026518), (28916, 698569), (39356, 513259)]