20189055

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 34030080

約数和(自身を除く): 13841025

約数列:

[1, 3, 5, 15, 23, 69, 115, 139, 345, 417, 421, 695, 1263, 2085, 2105, 3197, 6315, 9591, 9683, 15985, 29049, 47955, 48415, 58519, 145245, 175557, 292595, 877785, 1345937, 4037811, 6729685, 20189055]

約数ペア:

[(1, 20189055), (3, 6729685), (5, 4037811), (15, 1345937), (23, 877785), (69, 292595), (115, 175557), (139, 145245), (345, 58519), (417, 48415), (421, 47955), (695, 29049), (1263, 15985), (2085, 9683), (2105, 9591), (3197, 6315)]