20264308

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{269}}^1\times {\mathrm{509}}^1$

素因数の和:819

約数の個数: 24

約数和(自身を含む): 36628200

約数和(自身を除く): 16363892

約数列:

[1, 2, 4, 37, 74, 148, 269, 509, 538, 1018, 1076, 2036, 9953, 18833, 19906, 37666, 39812, 75332, 136921, 273842, 547684, 5066077, 10132154, 20264308]

約数ペア:

[(1, 20264308), (2, 10132154), (4, 5066077), (37, 547684), (74, 273842), (148, 136921), (269, 75332), (509, 39812), (538, 37666), (1018, 19906), (1076, 18833), (2036, 9953)]