20205250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{6217}}^1$

素因数の和:6247

約数の個数: 32

約数和(自身を含む): 40740336

約数和(自身を除く): 20535086

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 6217, 12434, 31085, 62170, 80821, 155425, 161642, 310850, 404105, 777125, 808210, 1554250, 2020525, 4041050, 10102625, 20205250]

約数ペア:

[(1, 20205250), (2, 10102625), (5, 4041050), (10, 2020525), (13, 1554250), (25, 808210), (26, 777125), (50, 404105), (65, 310850), (125, 161642), (130, 155425), (250, 80821), (325, 62170), (650, 31085), (1625, 12434), (3250, 6217)]