20815794

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{39877}}^1$

素因数の和:39914

約数の個数: 24

約数和(自身を含む): 46657260

約数和(自身を除く): 25841466

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 261, 522, 39877, 79754, 119631, 239262, 358893, 717786, 1156433, 2312866, 3469299, 6938598, 10407897, 20815794]

約数ペア:

[(1, 20815794), (2, 10407897), (3, 6938598), (6, 3469299), (9, 2312866), (18, 1156433), (29, 717786), (58, 358893), (87, 239262), (174, 119631), (261, 79754), (522, 39877)]