20192820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17713}}^1$

素因数の和:17744

約数の個数: 48

約数和(自身を含む): 59519040

約数和(自身を除く): 39326220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 17713, 35426, 53139, 70852, 88565, 106278, 177130, 212556, 265695, 336547, 354260, 531390, 673094, 1009641, 1062780, 1346188, 1682735, 2019282, 3365470, 4038564, 5048205, 6730940, 10096410, 20192820]

約数ペア:

[(1, 20192820), (2, 10096410), (3, 6730940), (4, 5048205), (5, 4038564), (6, 3365470), (10, 2019282), (12, 1682735), (15, 1346188), (19, 1062780), (20, 1009641), (30, 673094), (38, 531390), (57, 354260), (60, 336547), (76, 265695), (95, 212556), (114, 177130), (190, 106278), (228, 88565), (285, 70852), (380, 53139), (570, 35426), (1140, 17713)]