19882780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32069}}^1$

素因数の和:32109

約数の個数: 24

約数和(自身を含む): 43102080

約数和(自身を除く): 23219300

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 32069, 64138, 128276, 160345, 320690, 641380, 994139, 1988278, 3976556, 4970695, 9941390, 19882780]

約数ペア:

[(1, 19882780), (2, 9941390), (4, 4970695), (5, 3976556), (10, 1988278), (20, 994139), (31, 641380), (62, 320690), (124, 160345), (155, 128276), (310, 64138), (620, 32069)]