20363120

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{769}}^1$

素因数の和:1113

約数の個数: 40

約数和(自身を含む): 47549040

約数和(自身を除く): 27185920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 769, 1324, 1538, 1655, 2648, 3076, 3310, 3845, 5296, 6152, 6620, 7690, 12304, 13240, 15380, 26480, 30760, 61520, 254539, 509078, 1018156, 1272695, 2036312, 2545390, 4072624, 5090780, 10181560, 20363120]

約数ペア:

[(1, 20363120), (2, 10181560), (4, 5090780), (5, 4072624), (8, 2545390), (10, 2036312), (16, 1272695), (20, 1018156), (40, 509078), (80, 254539), (331, 61520), (662, 30760), (769, 26480), (1324, 15380), (1538, 13240), (1655, 12304), (2648, 7690), (3076, 6620), (3310, 6152), (3845, 5296)]