20163687225

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{228419}}^1$

素因数の和:228550

約数の個数: 48

約数和(自身を含む): 36708007680

約数和(自身を除く): 16544320455

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 107, 165, 275, 321, 535, 825, 1177, 1605, 2675, 3531, 5885, 8025, 17655, 29425, 88275, 228419, 685257, 1142095, 2512609, 3426285, 5710475, 7537827, 12563045, 17131425, 24440833, 37689135, 62815225, 73322499, 122204165, 188445675, 268849163, 366612495, 611020825, 806547489, 1344245815, 1833062475, 4032737445, 6721229075, 20163687225]

約数ペア:

[(1, 20163687225), (3, 6721229075), (5, 4032737445), (11, 1833062475), (15, 1344245815), (25, 806547489), (33, 611020825), (55, 366612495), (75, 268849163), (107, 188445675), (165, 122204165), (275, 73322499), (321, 62815225), (535, 37689135), (825, 24440833), (1177, 17131425), (1605, 12563045), (2675, 7537827), (3531, 5710475), (5885, 3426285), (8025, 2512609), (17655, 1142095), (29425, 685257), (88275, 228419)]