20196969

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{743}}^1$

素因数の和:817

約数の個数: 32

約数和(自身を含む): 31497984

約数和(自身を除く): 11301015

約数列:

[1, 3, 13, 17, 39, 41, 51, 123, 221, 533, 663, 697, 743, 1599, 2091, 2229, 9061, 9659, 12631, 27183, 28977, 30463, 37893, 91389, 164203, 396019, 492609, 517871, 1188057, 1553613, 6732323, 20196969]

約数ペア:

[(1, 20196969), (3, 6732323), (13, 1553613), (17, 1188057), (39, 517871), (41, 492609), (51, 396019), (123, 164203), (221, 91389), (533, 37893), (663, 30463), (697, 28977), (743, 27183), (1599, 12631), (2091, 9659), (2229, 9061)]