20721624

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11213}}^1$

素因数の和:11240

約数の個数: 64

約数和(自身を含む): 64592640

約数和(自身を除く): 43871016

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 231, 264, 308, 462, 616, 924, 1848, 11213, 22426, 33639, 44852, 67278, 78491, 89704, 123343, 134556, 156982, 235473, 246686, 269112, 313964, 370029, 470946, 493372, 627928, 740058, 863401, 941892, 986744, 1480116, 1726802, 1883784, 2590203, 2960232, 3453604, 5180406, 6907208, 10360812, 20721624]

約数ペア:

[(1, 20721624), (2, 10360812), (3, 6907208), (4, 5180406), (6, 3453604), (7, 2960232), (8, 2590203), (11, 1883784), (12, 1726802), (14, 1480116), (21, 986744), (22, 941892), (24, 863401), (28, 740058), (33, 627928), (42, 493372), (44, 470946), (56, 370029), (66, 313964), (77, 269112), (84, 246686), (88, 235473), (132, 156982), (154, 134556), (168, 123343), (231, 89704), (264, 78491), (308, 67278), (462, 44852), (616, 33639), (924, 22426), (1848, 11213)]