20100781636

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1399}}^1\times {\mathrm{3329}}^1$

素因数の和:4828

約数の個数: 48

約数和(自身を含む): 38377584000

約数和(自身を除く): 18276802364

約数列:

[1, 2, 4, 13, 26, 52, 83, 166, 332, 1079, 1399, 2158, 2798, 3329, 4316, 5596, 6658, 13316, 18187, 36374, 43277, 72748, 86554, 116117, 173108, 232234, 276307, 464468, 552614, 1105228, 1509521, 3019042, 3591991, 4657271, 6038084, 7183982, 9314542, 14367964, 18629084, 60544523, 121089046, 242178092, 386553493, 773106986, 1546213972, 5025195409, 10050390818, 20100781636]

約数ペア:

[(1, 20100781636), (2, 10050390818), (4, 5025195409), (13, 1546213972), (26, 773106986), (52, 386553493), (83, 242178092), (166, 121089046), (332, 60544523), (1079, 18629084), (1399, 14367964), (2158, 9314542), (2798, 7183982), (3329, 6038084), (4316, 4657271), (5596, 3591991), (6658, 3019042), (13316, 1509521), (18187, 1105228), (36374, 552614), (43277, 464468), (72748, 276307), (86554, 232234), (116117, 173108)]