220520013

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{269}}^1\times {\mathrm{379}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 341452800

約数和(自身を除く): 120932787

約数列:

[1, 3, 7, 21, 103, 269, 309, 379, 721, 807, 1137, 1883, 2163, 2653, 5649, 7959, 27707, 39037, 83121, 101951, 117111, 193949, 273259, 305853, 581847, 713657, 819777, 2140971, 10500953, 31502859, 73506671, 220520013]

約数ペア:

[(1, 220520013), (3, 73506671), (7, 31502859), (21, 10500953), (103, 2140971), (269, 819777), (309, 713657), (379, 581847), (721, 305853), (807, 273259), (1137, 193949), (1883, 117111), (2163, 101951), (2653, 83121), (5649, 39037), (7959, 27707)]