20409611545

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1\times {\mathrm{23251}}^1$

素因数の和:23745

約数の個数: 32

約数和(自身を含む): 27121132800

約数和(自身を除く): 6711521255

約数列:

[1, 5, 17, 23, 85, 115, 391, 449, 1955, 2245, 7633, 10327, 23251, 38165, 51635, 116255, 175559, 395267, 534773, 877795, 1976335, 2673865, 9091141, 10439699, 45455705, 52198495, 177474883, 240113077, 887374415, 1200565385, 4081922309, 20409611545]

約数ペア:

[(1, 20409611545), (5, 4081922309), (17, 1200565385), (23, 887374415), (85, 240113077), (115, 177474883), (391, 52198495), (449, 45455705), (1955, 10439699), (2245, 9091141), (7633, 2673865), (10327, 1976335), (23251, 877795), (38165, 534773), (51635, 395267), (116255, 175559)]