20187029007

素因数分解:

$3^3\times {\mathrm{181}}^1\times {\mathrm{257}}^1\times {\mathrm{16073}}^1$

素因数の和:16520

約数の個数: 32

約数和(自身を含む): 30190829760

約数和(自身を除く): 10003800753

約数列:

[1, 3, 9, 27, 181, 257, 543, 771, 1629, 2313, 4887, 6939, 16073, 46517, 48219, 139551, 144657, 418653, 433971, 1255959, 2909213, 4130761, 8727639, 12392283, 26182917, 37176849, 78548751, 111530547, 747667741, 2243003223, 6729009669, 20187029007]

約数ペア:

[(1, 20187029007), (3, 6729009669), (9, 2243003223), (27, 747667741), (181, 111530547), (257, 78548751), (543, 37176849), (771, 26182917), (1629, 12392283), (2313, 8727639), (4887, 4130761), (6939, 2909213), (16073, 1255959), (46517, 433971), (48219, 418653), (139551, 144657)]