20737025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{827}}^1$

素因数の和:913

約数の個数: 24

約数和(自身を含む): 27721440

約数和(自身を除く): 6984415

約数列:

[1, 5, 17, 25, 59, 85, 295, 425, 827, 1003, 1475, 4135, 5015, 14059, 20675, 25075, 48793, 70295, 243965, 351475, 829481, 1219825, 4147405, 20737025]

約数ペア:

[(1, 20737025), (5, 4147405), (17, 1219825), (25, 829481), (59, 351475), (85, 243965), (295, 70295), (425, 48793), (827, 25075), (1003, 20675), (1475, 14059), (4135, 5015)]