20829704

素因数分解:

$2^3\times 7^3\times {\mathrm{7591}}^1$

素因数の和:7618

約数の個数: 32

約数和(自身を含む): 45552000

約数和(自身を除く): 24722296

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 7591, 15182, 30364, 53137, 60728, 106274, 212548, 371959, 425096, 743918, 1487836, 2603713, 2975672, 5207426, 10414852, 20829704]

約数ペア:

[(1, 20829704), (2, 10414852), (4, 5207426), (7, 2975672), (8, 2603713), (14, 1487836), (28, 743918), (49, 425096), (56, 371959), (98, 212548), (196, 106274), (343, 60728), (392, 53137), (686, 30364), (1372, 15182), (2744, 7591)]