20486512618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1665841}}^1$

素因数の和:1665910

約数の個数: 32

約数和(自身を含む): 36941712192

約数和(自身を除く): 16455199574

約数列:

[1, 2, 11, 13, 22, 26, 43, 86, 143, 286, 473, 559, 946, 1118, 6149, 12298, 1665841, 3331682, 18324251, 21655933, 36648502, 43311866, 71631163, 143262326, 238215263, 476430526, 787942793, 931205119, 1575885586, 1862410238, 10243256309, 20486512618]

約数ペア:

[(1, 20486512618), (2, 10243256309), (11, 1862410238), (13, 1575885586), (22, 931205119), (26, 787942793), (43, 476430526), (86, 238215263), (143, 143262326), (286, 71631163), (473, 43311866), (559, 36648502), (946, 21655933), (1118, 18324251), (6149, 3331682), (12298, 1665841)]