20670804

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7457}}^1$

素因数の和:7485

約数の個数: 72

約数和(自身を含む): 65153088

約数和(自身を除く): 44482284

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 7457, 14914, 22371, 29828, 44742, 52199, 67113, 82027, 89484, 104398, 134226, 156597, 164054, 208796, 246081, 268452, 313194, 328108, 469791, 492162, 574189, 626388, 738243, 939582, 984324, 1148378, 1476486, 1722567, 1879164, 2296756, 2952972, 3445134, 5167701, 6890268, 10335402, 20670804]

約数ペア:

[(1, 20670804), (2, 10335402), (3, 6890268), (4, 5167701), (6, 3445134), (7, 2952972), (9, 2296756), (11, 1879164), (12, 1722567), (14, 1476486), (18, 1148378), (21, 984324), (22, 939582), (28, 738243), (33, 626388), (36, 574189), (42, 492162), (44, 469791), (63, 328108), (66, 313194), (77, 268452), (84, 246081), (99, 208796), (126, 164054), (132, 156597), (154, 134226), (198, 104398), (231, 89484), (252, 82027), (308, 67113), (396, 52199), (462, 44742), (693, 29828), (924, 22371), (1386, 14914), (2772, 7457)]