20094865745

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{128201}}^1$

素因数の和:128305

約数の個数: 32

約数和(自身を含む): 26583966720

約数和(自身を除く): 6489100975

約数列:

[1, 5, 23, 29, 47, 115, 145, 235, 667, 1081, 1363, 3335, 5405, 6815, 31349, 128201, 156745, 641005, 2948623, 3717829, 6025447, 14743115, 18589145, 30127235, 85510067, 138585281, 174737963, 427550335, 692926405, 873689815, 4018973149, 20094865745]

約数ペア:

[(1, 20094865745), (5, 4018973149), (23, 873689815), (29, 692926405), (47, 427550335), (115, 174737963), (145, 138585281), (235, 85510067), (667, 30127235), (1081, 18589145), (1363, 14743115), (3335, 6025447), (5405, 3717829), (6815, 2948623), (31349, 641005), (128201, 156745)]