20138170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1597}}^1$

素因数の和:1714

約数の個数: 32

約数和(自身を含む): 39464208

約数和(自身を除く): 19326038

約数列:

[1, 2, 5, 10, 13, 26, 65, 97, 130, 194, 485, 970, 1261, 1597, 2522, 3194, 6305, 7985, 12610, 15970, 20761, 41522, 103805, 154909, 207610, 309818, 774545, 1549090, 2013817, 4027634, 10069085, 20138170]

約数ペア:

[(1, 20138170), (2, 10069085), (5, 4027634), (10, 2013817), (13, 1549090), (26, 774545), (65, 309818), (97, 207610), (130, 154909), (194, 103805), (485, 41522), (970, 20761), (1261, 15970), (1597, 12610), (2522, 7985), (3194, 6305)]