20782364

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{2333}}^1$

素因数の和:2485

約数の個数: 24

約数和(自身を含む): 38819088

約数和(自身を除く): 18036724

約数列:

[1, 2, 4, 17, 34, 68, 131, 262, 524, 2227, 2333, 4454, 4666, 8908, 9332, 39661, 79322, 158644, 305623, 611246, 1222492, 5195591, 10391182, 20782364]

約数ペア:

[(1, 20782364), (2, 10391182), (4, 5195591), (17, 1222492), (34, 611246), (68, 305623), (131, 158644), (262, 79322), (524, 39661), (2227, 9332), (2333, 8908), (4454, 4666)]