11201420

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2843}}^1$

素因数の和:3049

約数の個数: 24

約数和(自身を含む): 23650704

約数和(自身を除く): 12449284

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 2843, 3940, 5686, 11372, 14215, 28430, 56860, 560071, 1120142, 2240284, 2800355, 5600710, 11201420]

約数ペア:

[(1, 11201420), (2, 5600710), (4, 2800355), (5, 2240284), (10, 1120142), (20, 560071), (197, 56860), (394, 28430), (788, 14215), (985, 11372), (1970, 5686), (2843, 3940)]