20646184

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2963}}^1$

素因数の和:3049

約数の個数: 32

約数和(自身を含む): 42325920

約数和(自身を除く): 21679736

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1742, 2963, 3484, 5926, 6968, 11852, 23704, 38519, 77038, 154076, 198521, 308152, 397042, 794084, 1588168, 2580773, 5161546, 10323092, 20646184]

約数ペア:

[(1, 20646184), (2, 10323092), (4, 5161546), (8, 2580773), (13, 1588168), (26, 794084), (52, 397042), (67, 308152), (104, 198521), (134, 154076), (268, 77038), (536, 38519), (871, 23704), (1742, 11852), (2963, 6968), (3484, 5926)]