20585853

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:530

約数の個数: 32

約数和(自身を含む): 32140800

約数和(自身を除く): 11554947

約数列:

[1, 3, 9, 27, 29, 61, 87, 183, 261, 431, 549, 783, 1293, 1647, 1769, 3879, 5307, 11637, 12499, 15921, 26291, 37497, 47763, 78873, 112491, 236619, 337473, 709857, 762439, 2287317, 6861951, 20585853]

約数ペア:

[(1, 20585853), (3, 6861951), (9, 2287317), (27, 762439), (29, 709857), (61, 337473), (87, 236619), (183, 112491), (261, 78873), (431, 47763), (549, 37497), (783, 26291), (1293, 15921), (1647, 12499), (1769, 11637), (3879, 5307)]