20284380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{112691}}^1$

素因数の和:112706

約数の個数: 36

約数和(自身を含む): 61529832

約数和(自身を除く): 41245452

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 112691, 225382, 338073, 450764, 563455, 676146, 1014219, 1126910, 1352292, 1690365, 2028438, 2253820, 3380730, 4056876, 5071095, 6761460, 10142190, 20284380]

約数ペア:

[(1, 20284380), (2, 10142190), (3, 6761460), (4, 5071095), (5, 4056876), (6, 3380730), (9, 2253820), (10, 2028438), (12, 1690365), (15, 1352292), (18, 1126910), (20, 1014219), (30, 676146), (36, 563455), (45, 450764), (60, 338073), (90, 225382), (180, 112691)]