20195994

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{787}}^1$

素因数の和:859

約数の個数: 64

約数和(自身を含む): 50835456

約数和(自身を除く): 30639462

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 47, 78, 91, 94, 141, 182, 273, 282, 329, 546, 611, 658, 787, 987, 1222, 1574, 1833, 1974, 2361, 3666, 4277, 4722, 5509, 8554, 10231, 11018, 12831, 16527, 20462, 25662, 30693, 33054, 36989, 61386, 71617, 73978, 110967, 143234, 214851, 221934, 258923, 429702, 480857, 517846, 776769, 961714, 1442571, 1553538, 2885142, 3365999, 6731998, 10097997, 20195994]

約数ペア:

[(1, 20195994), (2, 10097997), (3, 6731998), (6, 3365999), (7, 2885142), (13, 1553538), (14, 1442571), (21, 961714), (26, 776769), (39, 517846), (42, 480857), (47, 429702), (78, 258923), (91, 221934), (94, 214851), (141, 143234), (182, 110967), (273, 73978), (282, 71617), (329, 61386), (546, 36989), (611, 33054), (658, 30693), (787, 25662), (987, 20462), (1222, 16527), (1574, 12831), (1833, 11018), (1974, 10231), (2361, 8554), (3666, 5509), (4277, 4722)]