20880147185

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{26357}}^1$

素因数の和:26681

約数の個数: 32

約数和(自身を含む): 27327974400

約数和(自身を除く): 6447827215

約数列:

[1, 5, 19, 31, 95, 155, 269, 589, 1345, 2945, 5111, 8339, 25555, 26357, 41695, 131785, 158441, 500783, 792205, 817067, 2503915, 4085335, 7090033, 15524273, 35450165, 77621365, 134710627, 219791023, 673553135, 1098955115, 4176029437, 20880147185]

約数ペア:

[(1, 20880147185), (5, 4176029437), (19, 1098955115), (31, 673553135), (95, 219791023), (155, 134710627), (269, 77621365), (589, 35450165), (1345, 15524273), (2945, 7090033), (5111, 4085335), (8339, 2503915), (25555, 817067), (26357, 792205), (41695, 500783), (131785, 158441)]