20173872

素因数分解:

$2^4\times 3^1\times {\mathrm{157}}^1\times {\mathrm{2677}}^1$

素因数の和:2845

約数の個数: 40

約数和(自身を含む): 52467376

約数和(自身を除く): 32293504

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 157, 314, 471, 628, 942, 1256, 1884, 2512, 2677, 3768, 5354, 7536, 8031, 10708, 16062, 21416, 32124, 42832, 64248, 128496, 420289, 840578, 1260867, 1681156, 2521734, 3362312, 5043468, 6724624, 10086936, 20173872]

約数ペア:

[(1, 20173872), (2, 10086936), (3, 6724624), (4, 5043468), (6, 3362312), (8, 2521734), (12, 1681156), (16, 1260867), (24, 840578), (48, 420289), (157, 128496), (314, 64248), (471, 42832), (628, 32124), (942, 21416), (1256, 16062), (1884, 10708), (2512, 8031), (2677, 7536), (3768, 5354)]