20127240175

素因数分解:

$5^2\times 7^1\times {\mathrm{1867}}^1\times {\mathrm{61603}}^1$

素因数の和:63487

約数の個数: 24

約数和(自身を含む): 28538915456

約数和(自身を除く): 8411675281

約数列:

[1, 5, 7, 25, 35, 175, 1867, 9335, 13069, 46675, 61603, 65345, 308015, 326725, 431221, 1540075, 2156105, 10780525, 115012801, 575064005, 805089607, 2875320025, 4025448035, 20127240175]

約数ペア:

[(1, 20127240175), (5, 4025448035), (7, 2875320025), (25, 805089607), (35, 575064005), (175, 115012801), (1867, 10780525), (9335, 2156105), (13069, 1540075), (46675, 431221), (61603, 326725), (65345, 308015)]