20408859415

素因数分解:

$5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{22291}}^1$

素因数の和:22448

約数の個数: 48

約数和(自身を含む): 29550096864

約数和(自身を除く): 9141237449

約数列:

[1, 5, 7, 35, 37, 49, 101, 185, 245, 259, 505, 707, 1295, 1813, 3535, 3737, 4949, 9065, 18685, 22291, 24745, 26159, 111455, 130795, 156037, 183113, 780185, 824767, 915565, 1092259, 2251391, 4123835, 5461295, 5773369, 11256955, 15759737, 28866845, 40413583, 78798685, 83301467, 110318159, 202067915, 416507335, 551590795, 583110269, 2915551345, 4081771883, 20408859415]

約数ペア:

[(1, 20408859415), (5, 4081771883), (7, 2915551345), (35, 583110269), (37, 551590795), (49, 416507335), (101, 202067915), (185, 110318159), (245, 83301467), (259, 78798685), (505, 40413583), (707, 28866845), (1295, 15759737), (1813, 11256955), (3535, 5773369), (3737, 5461295), (4949, 4123835), (9065, 2251391), (18685, 1092259), (22291, 915565), (24745, 824767), (26159, 780185), (111455, 183113), (130795, 156037)]