20746872

素因数分解:

$2^3\times 3^2\times {\mathrm{107}}^1\times {\mathrm{2693}}^1$

素因数の和:2812

約数の個数: 48

約数和(自身を含む): 56735640

約数和(自身を除く): 35988768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 107, 214, 321, 428, 642, 856, 963, 1284, 1926, 2568, 2693, 3852, 5386, 7704, 8079, 10772, 16158, 21544, 24237, 32316, 48474, 64632, 96948, 193896, 288151, 576302, 864453, 1152604, 1728906, 2305208, 2593359, 3457812, 5186718, 6915624, 10373436, 20746872]

約数ペア:

[(1, 20746872), (2, 10373436), (3, 6915624), (4, 5186718), (6, 3457812), (8, 2593359), (9, 2305208), (12, 1728906), (18, 1152604), (24, 864453), (36, 576302), (72, 288151), (107, 193896), (214, 96948), (321, 64632), (428, 48474), (642, 32316), (856, 24237), (963, 21544), (1284, 16158), (1926, 10772), (2568, 8079), (2693, 7704), (3852, 5386)]