20809872

素因数分解:

$2^4\times 3^4\times {\mathrm{16057}}^1$

素因数の和:16077

約数の個数: 50

約数和(自身を含む): 60233558

約数和(自身を除く): 39423686

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 324, 432, 648, 1296, 16057, 32114, 48171, 64228, 96342, 128456, 144513, 192684, 256912, 289026, 385368, 433539, 578052, 770736, 867078, 1156104, 1300617, 1734156, 2312208, 2601234, 3468312, 5202468, 6936624, 10404936, 20809872]

約数ペア:

[(1, 20809872), (2, 10404936), (3, 6936624), (4, 5202468), (6, 3468312), (8, 2601234), (9, 2312208), (12, 1734156), (16, 1300617), (18, 1156104), (24, 867078), (27, 770736), (36, 578052), (48, 433539), (54, 385368), (72, 289026), (81, 256912), (108, 192684), (144, 144513), (162, 128456), (216, 96342), (324, 64228), (432, 48171), (648, 32114), (1296, 16057)]