20041190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4973}}^1$

素因数の和:5024

約数の個数: 32

約数和(自身を含む): 40110336

約数和(自身を除く): 20069146

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 4973, 9946, 24865, 49730, 64649, 129298, 154163, 308326, 323245, 646490, 770815, 1541630, 2004119, 4008238, 10020595, 20041190]

約数ペア:

[(1, 20041190), (2, 10020595), (5, 4008238), (10, 2004119), (13, 1541630), (26, 770815), (31, 646490), (62, 323245), (65, 308326), (130, 154163), (155, 129298), (310, 64649), (403, 49730), (806, 24865), (2015, 9946), (4030, 4973)]