220184420

素因数分解:

$2^2\times 5^1\times {\mathrm{2699}}^1\times {\mathrm{4079}}^1$

素因数の和:6787

約数の個数: 24

約数和(自身を含む): 462672000

約数和(自身を除く): 242487580

約数列:

[1, 2, 4, 5, 10, 20, 2699, 4079, 5398, 8158, 10796, 13495, 16316, 20395, 26990, 40790, 53980, 81580, 11009221, 22018442, 44036884, 55046105, 110092210, 220184420]

約数ペア:

[(1, 220184420), (2, 110092210), (4, 55046105), (5, 44036884), (10, 22018442), (20, 11009221), (2699, 81580), (4079, 53980), (5398, 40790), (8158, 26990), (10796, 20395), (13495, 16316)]