20102212

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:388

約数の個数: 36

約数和(自身を含む): 38552976

約数和(自身を除く): 18450764

約数列:

[1, 2, 4, 13, 26, 52, 131, 169, 227, 262, 338, 454, 524, 676, 908, 1703, 2951, 3406, 5902, 6812, 11804, 22139, 29737, 38363, 44278, 59474, 76726, 88556, 118948, 153452, 386581, 773162, 1546324, 5025553, 10051106, 20102212]

約数ペア:

[(1, 20102212), (2, 10051106), (4, 5025553), (13, 1546324), (26, 773162), (52, 386581), (131, 153452), (169, 118948), (227, 88556), (262, 76726), (338, 59474), (454, 44278), (524, 38363), (676, 29737), (908, 22139), (1703, 11804), (2951, 6812), (3406, 5902)]