20199789705

素因数分解:

$3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{509}}^1\times {\mathrm{7993}}^1$

素因数の和:8841

約数の個数: 32

約数和(自身を含む): 32485057920

約数和(自身を除く): 12285268215

約数列:

[1, 3, 5, 15, 331, 509, 993, 1527, 1655, 2545, 4965, 7635, 7993, 23979, 39965, 119895, 168479, 505437, 842395, 2527185, 2645683, 4068437, 7937049, 12205311, 13228415, 20342185, 39685245, 61026555, 1346652647, 4039957941, 6733263235, 20199789705]

約数ペア:

[(1, 20199789705), (3, 6733263235), (5, 4039957941), (15, 1346652647), (331, 61026555), (509, 39685245), (993, 20342185), (1527, 13228415), (1655, 12205311), (2545, 7937049), (4965, 4068437), (7635, 2645683), (7993, 2527185), (23979, 842395), (39965, 505437), (119895, 168479)]