206474980

素因数分解:

$2^2\times 5^1\times {\mathrm{709}}^1\times {\mathrm{14561}}^1$

素因数の和:15279

約数の個数: 24

約数和(自身を含む): 434238840

約数和(自身を除く): 227763860

約数列:

[1, 2, 4, 5, 10, 20, 709, 1418, 2836, 3545, 7090, 14180, 14561, 29122, 58244, 72805, 145610, 291220, 10323749, 20647498, 41294996, 51618745, 103237490, 206474980]

約数ペア:

[(1, 206474980), (2, 103237490), (4, 51618745), (5, 41294996), (10, 20647498), (20, 10323749), (709, 291220), (1418, 145610), (2836, 72805), (3545, 58244), (7090, 29122), (14180, 14561)]