20061520

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10903}}^1$

素因数の和:10939

約数の個数: 40

約数和(自身を含む): 48675456

約数和(自身を除く): 28613936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 10903, 21806, 43612, 54515, 87224, 109030, 174448, 218060, 250769, 436120, 501538, 872240, 1003076, 1253845, 2006152, 2507690, 4012304, 5015380, 10030760, 20061520]

約数ペア:

[(1, 20061520), (2, 10030760), (4, 5015380), (5, 4012304), (8, 2507690), (10, 2006152), (16, 1253845), (20, 1003076), (23, 872240), (40, 501538), (46, 436120), (80, 250769), (92, 218060), (115, 174448), (184, 109030), (230, 87224), (368, 54515), (460, 43612), (920, 21806), (1840, 10903)]