20147273775

素因数分解:

$3^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{432577}}^1$

素因数の和:432622

約数の個数: 60

約数和(自身を含む): 38942401872

約数和(自身を除く): 18795128097

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 81, 115, 135, 207, 225, 345, 405, 575, 621, 675, 1035, 1725, 1863, 2025, 3105, 5175, 9315, 15525, 46575, 432577, 1297731, 2162885, 3893193, 6488655, 9949271, 10814425, 11679579, 19465965, 29847813, 32443275, 35038737, 49746355, 58397895, 89543439, 97329825, 149239065, 175193685, 248731775, 268630317, 291989475, 447717195, 746195325, 805890951, 875968425, 1343151585, 2238585975, 4029454755, 6715757925, 20147273775]

約数ペア:

[(1, 20147273775), (3, 6715757925), (5, 4029454755), (9, 2238585975), (15, 1343151585), (23, 875968425), (25, 805890951), (27, 746195325), (45, 447717195), (69, 291989475), (75, 268630317), (81, 248731775), (115, 175193685), (135, 149239065), (207, 97329825), (225, 89543439), (345, 58397895), (405, 49746355), (575, 35038737), (621, 32443275), (675, 29847813), (1035, 19465965), (1725, 11679579), (1863, 10814425), (2025, 9949271), (3105, 6488655), (5175, 3893193), (9315, 2162885), (15525, 1297731), (46575, 432577)]