20973025

素因数分解:

$5^2\times {\mathrm{59}}^2\times {\mathrm{241}}^1$

素因数の和:369

約数の個数: 18

約数和(自身を含む): 26564582

約数和(自身を除く): 5591557

約数列:

[1, 5, 25, 59, 241, 295, 1205, 1475, 3481, 6025, 14219, 17405, 71095, 87025, 355475, 838921, 4194605, 20973025]

約数ペア:

[(1, 20973025), (5, 4194605), (25, 838921), (59, 355475), (241, 87025), (295, 71095), (1205, 17405), (1475, 14219), (3481, 6025)]