20289702957

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{145349}}^1$

素因数の和:145481

約数の個数: 32

約数和(自身を含む): 29767680000

約数和(自身を除く): 9477977043

約数列:

[1, 3, 19, 31, 57, 79, 93, 237, 589, 1501, 1767, 2449, 4503, 7347, 46531, 139593, 145349, 436047, 2761631, 4505819, 8284893, 11482571, 13517457, 34447713, 85610561, 218168849, 256831683, 355959701, 654506547, 1067879103, 6763234319, 20289702957]

約数ペア:

[(1, 20289702957), (3, 6763234319), (19, 1067879103), (31, 654506547), (57, 355959701), (79, 256831683), (93, 218168849), (237, 85610561), (589, 34447713), (1501, 13517457), (1767, 11482571), (2449, 8284893), (4503, 4505819), (7347, 2761631), (46531, 436047), (139593, 145349)]