20687535243

素因数分解:

$3^3\times {\mathrm{491}}^1\times {\mathrm{619}}^1\times {\mathrm{2521}}^1$

素因数の和:3640

約数の個数: 32

約数和(自身を含む): 30772435200

約数和(自身を除く): 10084899957

約数列:

[1, 3, 9, 27, 491, 619, 1473, 1857, 2521, 4419, 5571, 7563, 13257, 16713, 22689, 68067, 303929, 911787, 1237811, 1560499, 2735361, 3713433, 4681497, 8206083, 11140299, 14044491, 33420897, 42133473, 766205009, 2298615027, 6895845081, 20687535243]

約数ペア:

[(1, 20687535243), (3, 6895845081), (9, 2298615027), (27, 766205009), (491, 42133473), (619, 33420897), (1473, 14044491), (1857, 11140299), (2521, 8206083), (4419, 4681497), (5571, 3713433), (7563, 2735361), (13257, 1560499), (16713, 1237811), (22689, 911787), (68067, 303929)]