20120123055

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{159361}}^1$

素因数の和:159831

約数の個数: 32

約数和(自身を含む): 33963229440

約数和(自身を除く): 13843106385

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 443, 1329, 2215, 6645, 8417, 25251, 42085, 126255, 159361, 478083, 796805, 2390415, 3027859, 9083577, 15139295, 45417885, 70596923, 211790769, 352984615, 1058953845, 1341341537, 4024024611, 6706707685, 20120123055]

約数ペア:

[(1, 20120123055), (3, 6706707685), (5, 4024024611), (15, 1341341537), (19, 1058953845), (57, 352984615), (95, 211790769), (285, 70596923), (443, 45417885), (1329, 15139295), (2215, 9083577), (6645, 3027859), (8417, 2390415), (25251, 796805), (42085, 478083), (126255, 159361)]