20659855965

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11574149}}^1$

素因数の和:11574181

約数の個数: 32

約数和(自身を含む): 40000262400

約数和(自身を除く): 19340406435

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 11574149, 34722447, 57870745, 81019043, 173612235, 196760533, 243057129, 405095215, 590281599, 983802665, 1215285645, 1377323731, 2951407995, 4131971193, 6886618655, 20659855965]

約数ペア:

[(1, 20659855965), (3, 6886618655), (5, 4131971193), (7, 2951407995), (15, 1377323731), (17, 1215285645), (21, 983802665), (35, 590281599), (51, 405095215), (85, 243057129), (105, 196760533), (119, 173612235), (255, 81019043), (357, 57870745), (595, 34722447), (1785, 11574149)]