20044395

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{21211}}^1$

素因数の和:21232

約数の個数: 32

約数和(自身を含む): 40727040

約数和(自身を除く): 20682645

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 21211, 63633, 106055, 148477, 190899, 318165, 445431, 572697, 742385, 954495, 1336293, 2227155, 2863485, 4008879, 6681465, 20044395]

約数ペア:

[(1, 20044395), (3, 6681465), (5, 4008879), (7, 2863485), (9, 2227155), (15, 1336293), (21, 954495), (27, 742385), (35, 572697), (45, 445431), (63, 318165), (105, 190899), (135, 148477), (189, 106055), (315, 63633), (945, 21211)]