20448666

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1151}}^1$

素因数の和:1216

約数の個数: 64

約数和(自身を含む): 53084160

約数和(自身を除く): 32635494

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 47, 54, 63, 94, 126, 141, 189, 282, 329, 378, 423, 658, 846, 987, 1151, 1269, 1974, 2302, 2538, 2961, 3453, 5922, 6906, 8057, 8883, 10359, 16114, 17766, 20718, 24171, 31077, 48342, 54097, 62154, 72513, 108194, 145026, 162291, 217539, 324582, 378679, 435078, 486873, 757358, 973746, 1136037, 1460619, 2272074, 2921238, 3408111, 6816222, 10224333, 20448666]

約数ペア:

[(1, 20448666), (2, 10224333), (3, 6816222), (6, 3408111), (7, 2921238), (9, 2272074), (14, 1460619), (18, 1136037), (21, 973746), (27, 757358), (42, 486873), (47, 435078), (54, 378679), (63, 324582), (94, 217539), (126, 162291), (141, 145026), (189, 108194), (282, 72513), (329, 62154), (378, 54097), (423, 48342), (658, 31077), (846, 24171), (987, 20718), (1151, 17766), (1269, 16114), (1974, 10359), (2302, 8883), (2538, 8057), (2961, 6906), (3453, 5922)]