20133280

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5471}}^1$

素因数の和:5509

約数の個数: 48

約数和(自身を含む): 49641984

約数和(自身を除く): 29508704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 5471, 10942, 21884, 27355, 43768, 54710, 87536, 109420, 125833, 175072, 218840, 251666, 437680, 503332, 629165, 875360, 1006664, 1258330, 2013328, 2516660, 4026656, 5033320, 10066640, 20133280]

約数ペア:

[(1, 20133280), (2, 10066640), (4, 5033320), (5, 4026656), (8, 2516660), (10, 2013328), (16, 1258330), (20, 1006664), (23, 875360), (32, 629165), (40, 503332), (46, 437680), (80, 251666), (92, 218840), (115, 175072), (160, 125833), (184, 109420), (230, 87536), (368, 54710), (460, 43768), (736, 27355), (920, 21884), (1840, 10942), (3680, 5471)]