20149862876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{664661}}^1$

素因数の和:664742

約数の個数: 48

約数和(自身を含む): 42208695648

約数和(自身を除く): 22058832772

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 53, 106, 143, 212, 286, 572, 583, 689, 1166, 1378, 2332, 2756, 7579, 15158, 30316, 664661, 1329322, 2658644, 7311271, 8640593, 14622542, 17281186, 29245084, 34562372, 35227033, 70454066, 95046523, 140908132, 190093046, 380186092, 387497363, 457951429, 774994726, 915902858, 1549989452, 1831805716, 5037465719, 10074931438, 20149862876]

約数ペア:

[(1, 20149862876), (2, 10074931438), (4, 5037465719), (11, 1831805716), (13, 1549989452), (22, 915902858), (26, 774994726), (44, 457951429), (52, 387497363), (53, 380186092), (106, 190093046), (143, 140908132), (212, 95046523), (286, 70454066), (572, 35227033), (583, 34562372), (689, 29245084), (1166, 17281186), (1378, 14622542), (2332, 8640593), (2756, 7311271), (7579, 2658644), (15158, 1329322), (30316, 664661)]