20787050

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{13411}}^1$

素因数の和:13454

約数の個数: 24

約数和(自身を含む): 39914112

約数和(自身を除く): 19127062

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 13411, 26822, 67055, 134110, 335275, 415741, 670550, 831482, 2078705, 4157410, 10393525, 20787050]

約数ペア:

[(1, 20787050), (2, 10393525), (5, 4157410), (10, 2078705), (25, 831482), (31, 670550), (50, 415741), (62, 335275), (155, 134110), (310, 67055), (775, 26822), (1550, 13411)]