20195673603

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1\times {\mathrm{46919}}^1$

素因数の和:47231

約数の個数: 32

約数和(自身を含む): 31229952000

約数和(自身を除く): 11034278397

約数列:

[1, 3, 7, 21, 103, 199, 309, 597, 721, 1393, 2163, 4179, 20497, 46919, 61491, 140757, 143479, 328433, 430437, 985299, 4832657, 9336881, 14497971, 28010643, 33828599, 65358167, 101485797, 196074501, 961698743, 2885096229, 6731891201, 20195673603]

約数ペア:

[(1, 20195673603), (3, 6731891201), (7, 2885096229), (21, 961698743), (103, 196074501), (199, 101485797), (309, 65358167), (597, 33828599), (721, 28010643), (1393, 14497971), (2163, 9336881), (4179, 4832657), (20497, 985299), (46919, 430437), (61491, 328433), (140757, 143479)]