20517961636

素因数分解:

$2^2\times {\mathrm{179}}^1\times {\mathrm{1721}}^1\times {\mathrm{16651}}^1$

素因数の和:18555

約数の個数: 24

約数和(自身を含む): 36130177440

約数和(自身を除く): 15612215804

約数列:

[1, 2, 4, 179, 358, 716, 1721, 3442, 6884, 16651, 33302, 66604, 308059, 616118, 1232236, 2980529, 5961058, 11922116, 28656371, 57312742, 114625484, 5129490409, 10258980818, 20517961636]

約数ペア:

[(1, 20517961636), (2, 10258980818), (4, 5129490409), (179, 114625484), (358, 57312742), (716, 28656371), (1721, 11922116), (3442, 5961058), (6884, 2980529), (16651, 1232236), (33302, 616118), (66604, 308059)]