20393308

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20641}}^1$

素因数の和:20677

約数の個数: 24

約数和(自身を含む): 40458320

約数和(自身を除く): 20065012

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20641, 41282, 82564, 268333, 392179, 536666, 784358, 1073332, 1568716, 5098327, 10196654, 20393308]

約数ペア:

[(1, 20393308), (2, 10196654), (4, 5098327), (13, 1568716), (19, 1073332), (26, 784358), (38, 536666), (52, 392179), (76, 268333), (247, 82564), (494, 41282), (988, 20641)]