20179852810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{683831}}^1$

素因数の和:684078

約数の個数: 32

約数和(自身を含む): 39290251392

約数和(自身を除く): 19110398582

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 227, 454, 1135, 2270, 2951, 5902, 14755, 29510, 683831, 1367662, 3419155, 6838310, 8889803, 17779606, 44449015, 88898030, 155229637, 310459274, 776148185, 1552296370, 2017985281, 4035970562, 10089926405, 20179852810]

約数ペア:

[(1, 20179852810), (2, 10089926405), (5, 4035970562), (10, 2017985281), (13, 1552296370), (26, 776148185), (65, 310459274), (130, 155229637), (227, 88898030), (454, 44449015), (1135, 17779606), (2270, 8889803), (2951, 6838310), (5902, 3419155), (14755, 1367662), (29510, 683831)]