19954875

素因数分解:

$3^1\times 5^3\times {\mathrm{127}}^1\times {\mathrm{419}}^1$

素因数の和:564

約数の個数: 32

約数和(自身を含む): 33546240

約数和(自身を除く): 13591365

約数列:

[1, 3, 5, 15, 25, 75, 125, 127, 375, 381, 419, 635, 1257, 1905, 2095, 3175, 6285, 9525, 10475, 15875, 31425, 47625, 52375, 53213, 157125, 159639, 266065, 798195, 1330325, 3990975, 6651625, 19954875]

約数ペア:

[(1, 19954875), (3, 6651625), (5, 3990975), (15, 1330325), (25, 798195), (75, 266065), (125, 159639), (127, 157125), (375, 53213), (381, 52375), (419, 47625), (635, 31425), (1257, 15875), (1905, 10475), (2095, 9525), (3175, 6285)]