20075797917

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{81023}}^1$

素因数の和:81084

約数の個数: 80

約数和(自身を含む): 37646991360

約数和(自身を除く): 17571193443

約数列:

[1, 3, 7, 9, 19, 21, 23, 27, 57, 63, 69, 81, 133, 161, 171, 189, 207, 399, 437, 483, 513, 567, 621, 1197, 1311, 1449, 1539, 1863, 3059, 3591, 3933, 4347, 9177, 10773, 11799, 13041, 27531, 35397, 81023, 82593, 243069, 247779, 567161, 729207, 1539437, 1701483, 1863529, 2187621, 4618311, 5104449, 5590587, 6562863, 10776059, 13044703, 13854933, 15313347, 16771761, 32328177, 35407051, 39134109, 41564799, 45940041, 50315283, 96984531, 106221153, 117402327, 124694397, 150945849, 247849357, 290953593, 318663459, 352206981, 743548071, 872860779, 955990377, 1056620943, 2230644213, 2867971131, 6691932639, 20075797917]

約数ペア:

[(1, 20075797917), (3, 6691932639), (7, 2867971131), (9, 2230644213), (19, 1056620943), (21, 955990377), (23, 872860779), (27, 743548071), (57, 352206981), (63, 318663459), (69, 290953593), (81, 247849357), (133, 150945849), (161, 124694397), (171, 117402327), (189, 106221153), (207, 96984531), (399, 50315283), (437, 45940041), (483, 41564799), (513, 39134109), (567, 35407051), (621, 32328177), (1197, 16771761), (1311, 15313347), (1449, 13854933), (1539, 13044703), (1863, 10776059), (3059, 6562863), (3591, 5590587), (3933, 5104449), (4347, 4618311), (9177, 2187621), (10773, 1863529), (11799, 1701483), (13041, 1539437), (27531, 729207), (35397, 567161), (81023, 247779), (82593, 243069)]