20527970

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 38372400

約数和(自身を除く): 17844430

約数列:

[1, 2, 5, 10, 37, 74, 109, 185, 218, 370, 509, 545, 1018, 1090, 2545, 4033, 5090, 8066, 18833, 20165, 37666, 40330, 55481, 94165, 110962, 188330, 277405, 554810, 2052797, 4105594, 10263985, 20527970]

約数ペア:

[(1, 20527970), (2, 10263985), (5, 4105594), (10, 2052797), (37, 554810), (74, 277405), (109, 188330), (185, 110962), (218, 94165), (370, 55481), (509, 40330), (545, 37666), (1018, 20165), (1090, 18833), (2545, 8066), (4033, 5090)]