20805543381

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{14537}}^1$

素因数の和:14794

約数の個数: 64

約数和(自身を含む): 35505285120

約数和(自身を除く): 14699741739

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 211, 323, 357, 399, 633, 969, 1477, 2261, 3587, 4009, 4431, 6783, 10761, 12027, 14537, 25109, 28063, 43611, 68153, 75327, 84189, 101759, 204459, 247129, 276203, 305277, 477071, 741387, 828609, 1431213, 1729903, 1933421, 3067307, 4695451, 5189709, 5800263, 9201921, 14086353, 21471149, 32868157, 52144219, 58278833, 64413447, 98604471, 156432657, 174836499, 365009533, 407951831, 990740161, 1095028599, 1223855493, 2972220483, 6935181127, 20805543381]

約数ペア:

[(1, 20805543381), (3, 6935181127), (7, 2972220483), (17, 1223855493), (19, 1095028599), (21, 990740161), (51, 407951831), (57, 365009533), (119, 174836499), (133, 156432657), (211, 98604471), (323, 64413447), (357, 58278833), (399, 52144219), (633, 32868157), (969, 21471149), (1477, 14086353), (2261, 9201921), (3587, 5800263), (4009, 5189709), (4431, 4695451), (6783, 3067307), (10761, 1933421), (12027, 1729903), (14537, 1431213), (25109, 828609), (28063, 741387), (43611, 477071), (68153, 305277), (75327, 276203), (84189, 247129), (101759, 204459)]