20494360

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{6173}}^1$

素因数の和:6267

約数の個数: 32

約数和(自身を含む): 46675440

約数和(自身を除く): 26181080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 6173, 12346, 24692, 30865, 49384, 61730, 123460, 246920, 512359, 1024718, 2049436, 2561795, 4098872, 5123590, 10247180, 20494360]

約数ペア:

[(1, 20494360), (2, 10247180), (4, 5123590), (5, 4098872), (8, 2561795), (10, 2049436), (20, 1024718), (40, 512359), (83, 246920), (166, 123460), (332, 61730), (415, 49384), (664, 30865), (830, 24692), (1660, 12346), (3320, 6173)]