20187415871

素因数分解:

$7^2\times {\mathrm{71}}^1\times {\mathrm{983}}^1\times {\mathrm{5903}}^1$

素因数の和:6971

約数の個数: 24

約数和(自身を含む): 23842335744

約数和(自身を除く): 3654919873

約数列:

[1, 7, 49, 71, 497, 983, 3479, 5903, 6881, 41321, 48167, 69793, 289247, 419113, 488551, 2933791, 3419857, 5802649, 20536537, 40618543, 284329801, 411988079, 2883916553, 20187415871]

約数ペア:

[(1, 20187415871), (7, 2883916553), (49, 411988079), (71, 284329801), (497, 40618543), (983, 20536537), (3479, 5802649), (5903, 3419857), (6881, 2933791), (41321, 488551), (48167, 419113), (69793, 289247)]