20162957507

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{587}}^1$

素因数の和:840

約数の個数: 64

約数和(自身を含む): 26206322688

約数和(自身を除く): 6043365181

約数列:

[1, 7, 11, 61, 71, 77, 103, 427, 497, 587, 671, 721, 781, 1133, 4109, 4331, 4697, 5467, 6283, 6457, 7313, 7931, 30317, 35807, 41677, 43981, 45199, 47641, 51191, 60461, 69113, 80443, 250649, 291739, 333487, 393877, 423227, 446093, 458447, 483791, 563101, 665071, 2542297, 2757139, 3122651, 3209129, 3688121, 4292731, 4655497, 4907023, 17796079, 25816847, 27965267, 30049117, 34349161, 40569331, 47220041, 195756869, 261856591, 283985317, 330540287, 1832996137, 2880422501, 20162957507]

約数ペア:

[(1, 20162957507), (7, 2880422501), (11, 1832996137), (61, 330540287), (71, 283985317), (77, 261856591), (103, 195756869), (427, 47220041), (497, 40569331), (587, 34349161), (671, 30049117), (721, 27965267), (781, 25816847), (1133, 17796079), (4109, 4907023), (4331, 4655497), (4697, 4292731), (5467, 3688121), (6283, 3209129), (6457, 3122651), (7313, 2757139), (7931, 2542297), (30317, 665071), (35807, 563101), (41677, 483791), (43981, 458447), (45199, 446093), (47641, 423227), (51191, 393877), (60461, 333487), (69113, 291739), (80443, 250649)]