20443675

素因数分解:

$5^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{593}}^1$

素因数の和:807

約数の個数: 24

約数和(自身を含む): 29167776

約数和(自身を除く): 8724101

約数列:

[1, 5, 7, 25, 35, 175, 197, 593, 985, 1379, 2965, 4151, 4925, 6895, 14825, 20755, 34475, 103775, 116821, 584105, 817747, 2920525, 4088735, 20443675]

約数ペア:

[(1, 20443675), (5, 4088735), (7, 2920525), (25, 817747), (35, 584105), (175, 116821), (197, 103775), (593, 34475), (985, 20755), (1379, 14825), (2965, 6895), (4151, 4925)]