20556003

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{601}}^1\times {\mathrm{877}}^1$

素因数の和:1494

約数の個数: 16

約数和(自身を含む): 29599136

約数和(自身を除く): 9043133

約数列:

[1, 3, 13, 39, 601, 877, 1803, 2631, 7813, 11401, 23439, 34203, 527077, 1581231, 6852001, 20556003]

約数ペア:

[(1, 20556003), (3, 6852001), (13, 1581231), (39, 527077), (601, 34203), (877, 23439), (1803, 11401), (2631, 7813)]