20126799

素因数分解:

$3^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{461}}^1$

素因数の和:498

約数の個数: 60

約数和(自身を含む): 38236968

約数和(自身を除く): 18110169

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 81, 99, 147, 189, 231, 297, 441, 461, 539, 567, 693, 891, 1323, 1383, 1617, 2079, 3227, 3969, 4149, 4851, 5071, 6237, 9681, 12447, 14553, 15213, 22589, 29043, 35497, 37341, 43659, 45639, 67767, 87129, 106491, 136917, 203301, 248479, 261387, 319473, 410751, 609903, 745437, 958419, 1829709, 2236311, 2875257, 6708933, 20126799]

約数ペア:

[(1, 20126799), (3, 6708933), (7, 2875257), (9, 2236311), (11, 1829709), (21, 958419), (27, 745437), (33, 609903), (49, 410751), (63, 319473), (77, 261387), (81, 248479), (99, 203301), (147, 136917), (189, 106491), (231, 87129), (297, 67767), (441, 45639), (461, 43659), (539, 37341), (567, 35497), (693, 29043), (891, 22589), (1323, 15213), (1383, 14553), (1617, 12447), (2079, 9681), (3227, 6237), (3969, 5071), (4149, 4851)]