20365135

素因数分解:

$5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{823}}^1$

素因数の和:943

約数の個数: 24

約数和(自身を含む): 28744416

約数和(自身を除く): 8379281

約数列:

[1, 5, 7, 35, 49, 101, 245, 505, 707, 823, 3535, 4115, 4949, 5761, 24745, 28805, 40327, 83123, 201635, 415615, 581861, 2909305, 4073027, 20365135]

約数ペア:

[(1, 20365135), (5, 4073027), (7, 2909305), (35, 581861), (49, 415615), (101, 201635), (245, 83123), (505, 40327), (707, 28805), (823, 24745), (3535, 5761), (4115, 4949)]