20501964

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{577}}^1$

素因数の和:644

約数の個数: 96

約数和(自身を含む): 62146560

約数和(自身を除く): 41644596

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 47, 54, 63, 84, 94, 108, 126, 141, 188, 189, 252, 282, 329, 378, 423, 564, 577, 658, 756, 846, 987, 1154, 1269, 1316, 1692, 1731, 1974, 2308, 2538, 2961, 3462, 3948, 4039, 5076, 5193, 5922, 6924, 8078, 8883, 10386, 11844, 12117, 15579, 16156, 17766, 20772, 24234, 27119, 31158, 35532, 36351, 48468, 54238, 62316, 72702, 81357, 108476, 109053, 145404, 162714, 189833, 218106, 244071, 325428, 379666, 436212, 488142, 569499, 732213, 759332, 976284, 1138998, 1464426, 1708497, 2277996, 2928852, 3416994, 5125491, 6833988, 10250982, 20501964]

約数ペア:

[(1, 20501964), (2, 10250982), (3, 6833988), (4, 5125491), (6, 3416994), (7, 2928852), (9, 2277996), (12, 1708497), (14, 1464426), (18, 1138998), (21, 976284), (27, 759332), (28, 732213), (36, 569499), (42, 488142), (47, 436212), (54, 379666), (63, 325428), (84, 244071), (94, 218106), (108, 189833), (126, 162714), (141, 145404), (188, 109053), (189, 108476), (252, 81357), (282, 72702), (329, 62316), (378, 54238), (423, 48468), (564, 36351), (577, 35532), (658, 31158), (756, 27119), (846, 24234), (987, 20772), (1154, 17766), (1269, 16156), (1316, 15579), (1692, 12117), (1731, 11844), (1974, 10386), (2308, 8883), (2538, 8078), (2961, 6924), (3462, 5922), (3948, 5193), (4039, 5076)]