20170708218

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{401}}^1\times {\mathrm{7741}}^1$

素因数の和:8188

約数の個数: 72

約数和(自身を含む): 46245427956

約数和(自身を除く): 26074719738

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 361, 401, 722, 802, 1083, 1203, 2166, 2406, 3249, 3609, 6498, 7218, 7619, 7741, 15238, 15482, 22857, 23223, 45714, 46446, 68571, 69669, 137142, 139338, 144761, 147079, 289522, 294158, 434283, 441237, 868566, 882474, 1302849, 1323711, 2605698, 2647422, 2794501, 3104141, 5589002, 6208282, 8383503, 9312423, 16767006, 18624846, 25150509, 27937269, 50301018, 55874538, 58978679, 117957358, 176936037, 353872074, 530808111, 1061616222, 1120594901, 2241189802, 3361784703, 6723569406, 10085354109, 20170708218]

約数ペア:

[(1, 20170708218), (2, 10085354109), (3, 6723569406), (6, 3361784703), (9, 2241189802), (18, 1120594901), (19, 1061616222), (38, 530808111), (57, 353872074), (114, 176936037), (171, 117957358), (342, 58978679), (361, 55874538), (401, 50301018), (722, 27937269), (802, 25150509), (1083, 18624846), (1203, 16767006), (2166, 9312423), (2406, 8383503), (3249, 6208282), (3609, 5589002), (6498, 3104141), (7218, 2794501), (7619, 2647422), (7741, 2605698), (15238, 1323711), (15482, 1302849), (22857, 882474), (23223, 868566), (45714, 441237), (46446, 434283), (68571, 294158), (69669, 289522), (137142, 147079), (139338, 144761)]