20175784

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2333}}^1$

素因数の和:2409

約数の個数: 32

約数和(自身を含む): 40331520

約数和(自身を除く): 20155736

約数列:

[1, 2, 4, 8, 23, 46, 47, 92, 94, 184, 188, 376, 1081, 2162, 2333, 4324, 4666, 8648, 9332, 18664, 53659, 107318, 109651, 214636, 219302, 429272, 438604, 877208, 2521973, 5043946, 10087892, 20175784]

約数ペア:

[(1, 20175784), (2, 10087892), (4, 5043946), (8, 2521973), (23, 877208), (46, 438604), (47, 429272), (92, 219302), (94, 214636), (184, 109651), (188, 107318), (376, 53659), (1081, 18664), (2162, 9332), (2333, 8648), (4324, 4666)]