20708645908

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{2145529}}^1$

素因数の和:2145679

約数の個数: 24

約数和(自身を含む): 38447897600

約数和(自身を除く): 17739251692

約数列:

[1, 2, 4, 19, 38, 76, 127, 254, 508, 2413, 4826, 9652, 2145529, 4291058, 8582116, 40765051, 81530102, 163060204, 272482183, 544964366, 1089928732, 5177161477, 10354322954, 20708645908]

約数ペア:

[(1, 20708645908), (2, 10354322954), (4, 5177161477), (19, 1089928732), (38, 544964366), (76, 272482183), (127, 163060204), (254, 81530102), (508, 40765051), (2413, 8582116), (4826, 4291058), (9652, 2145529)]