20386804564

素因数分解:

$2^2\times 7^4\times {\mathrm{2122741}}^1$

素因数の和:2122773

約数の個数: 30

約数和(自身を含む): 41620602394

約数和(自身を除く): 21233797830

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 2401, 4802, 9604, 2122741, 4245482, 8490964, 14859187, 29718374, 59436748, 104014309, 208028618, 416057236, 728100163, 1456200326, 2912400652, 5096701141, 10193402282, 20386804564]

約数ペア:

[(1, 20386804564), (2, 10193402282), (4, 5096701141), (7, 2912400652), (14, 1456200326), (28, 728100163), (49, 416057236), (98, 208028618), (196, 104014309), (343, 59436748), (686, 29718374), (1372, 14859187), (2401, 8490964), (4802, 4245482), (9604, 2122741)]