20515612

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{10663}}^1$

素因数の和:10717

約数の個数: 24

約数和(自身を含む): 39712736

約数和(自身を除く): 19197124

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 10663, 21326, 42652, 138619, 277238, 394531, 554476, 789062, 1578124, 5128903, 10257806, 20515612]

約数ペア:

[(1, 20515612), (2, 10257806), (4, 5128903), (13, 1578124), (26, 789062), (37, 554476), (52, 394531), (74, 277238), (148, 138619), (481, 42652), (962, 21326), (1924, 10663)]