20776306

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1\times {\mathrm{631}}^1$

素因数の和:897

約数の個数: 16

約数和(自身を含む): 31716288

約数和(自身を除く): 10939982

約数列:

[1, 2, 101, 163, 202, 326, 631, 1262, 16463, 32926, 63731, 102853, 127462, 205706, 10388153, 20776306]

約数ペア:

[(1, 20776306), (2, 10388153), (101, 205706), (163, 127462), (202, 102853), (326, 63731), (631, 32926), (1262, 16463)]