20813376

素因数分解:

$2^6\times 3^1\times {\mathrm{43}}^1\times {\mathrm{2521}}^1$

素因数の和:2579

約数の個数: 56

約数和(自身を含む): 56371744

約数和(自身を除く): 35558368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 129, 172, 192, 258, 344, 516, 688, 1032, 1376, 2064, 2521, 2752, 4128, 5042, 7563, 8256, 10084, 15126, 20168, 30252, 40336, 60504, 80672, 108403, 121008, 161344, 216806, 242016, 325209, 433612, 484032, 650418, 867224, 1300836, 1734448, 2601672, 3468896, 5203344, 6937792, 10406688, 20813376]

約数ペア:

[(1, 20813376), (2, 10406688), (3, 6937792), (4, 5203344), (6, 3468896), (8, 2601672), (12, 1734448), (16, 1300836), (24, 867224), (32, 650418), (43, 484032), (48, 433612), (64, 325209), (86, 242016), (96, 216806), (129, 161344), (172, 121008), (192, 108403), (258, 80672), (344, 60504), (516, 40336), (688, 30252), (1032, 20168), (1376, 15126), (2064, 10084), (2521, 8256), (2752, 7563), (4128, 5042)]