20652525

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{4831}}^1$

素因数の和:4866

約数の個数: 36

約数和(自身を含む): 38945920

約数和(自身を除く): 18293395

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 4275, 4831, 14493, 24155, 43479, 72465, 91789, 120775, 217395, 275367, 362325, 458945, 826101, 1086975, 1376835, 2294725, 4130505, 6884175, 20652525]

約数ペア:

[(1, 20652525), (3, 6884175), (5, 4130505), (9, 2294725), (15, 1376835), (19, 1086975), (25, 826101), (45, 458945), (57, 362325), (75, 275367), (95, 217395), (171, 120775), (225, 91789), (285, 72465), (475, 43479), (855, 24155), (1425, 14493), (4275, 4831)]