20888970512

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{271}}^2\times {\mathrm{613}}^1$

素因数の和:1192

約数の個数: 60

約数和(自身を含む): 42091597260

約数和(自身を除く): 21202626748

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 271, 464, 542, 613, 1084, 1226, 2168, 2452, 4336, 4904, 7859, 9808, 15718, 17777, 31436, 35554, 62872, 71108, 73441, 125744, 142216, 146882, 166123, 284432, 293764, 332246, 587528, 664492, 1175056, 1328984, 2129789, 2657968, 4259578, 4817567, 8519156, 9635134, 17038312, 19270268, 34076624, 38540536, 45019333, 77081072, 90038666, 180077332, 360154664, 720309328, 1305560657, 2611121314, 5222242628, 10444485256, 20888970512]

約数ペア:

[(1, 20888970512), (2, 10444485256), (4, 5222242628), (8, 2611121314), (16, 1305560657), (29, 720309328), (58, 360154664), (116, 180077332), (232, 90038666), (271, 77081072), (464, 45019333), (542, 38540536), (613, 34076624), (1084, 19270268), (1226, 17038312), (2168, 9635134), (2452, 8519156), (4336, 4817567), (4904, 4259578), (7859, 2657968), (9808, 2129789), (15718, 1328984), (17777, 1175056), (31436, 664492), (35554, 587528), (62872, 332246), (71108, 293764), (73441, 284432), (125744, 166123), (142216, 146882)]