20614845

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1031}}^1$

素因数の和:1113

約数の個数: 32

約数和(自身を含む): 34873344

約数和(自身を除く): 14258499

約数列:

[1, 3, 5, 15, 31, 43, 93, 129, 155, 215, 465, 645, 1031, 1333, 3093, 3999, 5155, 6665, 15465, 19995, 31961, 44333, 95883, 132999, 159805, 221665, 479415, 664995, 1374323, 4122969, 6871615, 20614845]

約数ペア:

[(1, 20614845), (3, 6871615), (5, 4122969), (15, 1374323), (31, 664995), (43, 479415), (93, 221665), (129, 159805), (155, 132999), (215, 95883), (465, 44333), (645, 31961), (1031, 19995), (1333, 15465), (3093, 6665), (3999, 5155)]