20199113915

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{8117}}^1$

素因数の和:8423

約数の個数: 32

約数和(自身を含む): 25367126400

約数和(自身を除く): 5168012485

約数列:

[1, 5, 41, 61, 199, 205, 305, 995, 2501, 8117, 8159, 12139, 12505, 40585, 40795, 60695, 332797, 495137, 497699, 1615283, 1663985, 2475685, 2488495, 8076415, 20300617, 66226603, 98532263, 101503085, 331133015, 492661315, 4039822783, 20199113915]

約数ペア:

[(1, 20199113915), (5, 4039822783), (41, 492661315), (61, 331133015), (199, 101503085), (205, 98532263), (305, 66226603), (995, 20300617), (2501, 8076415), (8117, 2488495), (8159, 2475685), (12139, 1663985), (12505, 1615283), (40585, 497699), (40795, 495137), (60695, 332797)]