20285136

素因数分解:

$2^4\times 3^2\times {\mathrm{140869}}^1$

素因数の和:140883

約数の個数: 30

約数和(自身を含む): 56770610

約数和(自身を除く): 36485474

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 140869, 281738, 422607, 563476, 845214, 1126952, 1267821, 1690428, 2253904, 2535642, 3380856, 5071284, 6761712, 10142568, 20285136]

約数ペア:

[(1, 20285136), (2, 10142568), (3, 6761712), (4, 5071284), (6, 3380856), (8, 2535642), (9, 2253904), (12, 1690428), (16, 1267821), (18, 1126952), (24, 845214), (36, 563476), (48, 422607), (72, 281738), (144, 140869)]