20681616

素因数分解:

$2^4\times 3^1\times {\mathrm{521}}^1\times {\mathrm{827}}^1$

素因数の和:1359

約数の個数: 40

約数和(自身を含む): 53594784

約数和(自身を除く): 32913168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 521, 827, 1042, 1563, 1654, 2084, 2481, 3126, 3308, 4168, 4962, 6252, 6616, 8336, 9924, 12504, 13232, 19848, 25008, 39696, 430867, 861734, 1292601, 1723468, 2585202, 3446936, 5170404, 6893872, 10340808, 20681616]

約数ペア:

[(1, 20681616), (2, 10340808), (3, 6893872), (4, 5170404), (6, 3446936), (8, 2585202), (12, 1723468), (16, 1292601), (24, 861734), (48, 430867), (521, 39696), (827, 25008), (1042, 19848), (1563, 13232), (1654, 12504), (2084, 9924), (2481, 8336), (3126, 6616), (3308, 6252), (4168, 4962)]