20216259844

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3463}}^1\times {\mathrm{6983}}^1$

素因数の和:10480

約数の個数: 48

約数和(自身を含む): 40643527680

約数和(自身を除く): 20427267836

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 3463, 6926, 6983, 13852, 13966, 27932, 38093, 65797, 76186, 76813, 131594, 132677, 152372, 153626, 263188, 265354, 307252, 530708, 723767, 1447534, 1459447, 2895068, 2918894, 5837788, 24182129, 48364258, 96728516, 266003419, 459460451, 532006838, 918920902, 1064013676, 1837841804, 5054064961, 10108129922, 20216259844]

約数ペア:

[(1, 20216259844), (2, 10108129922), (4, 5054064961), (11, 1837841804), (19, 1064013676), (22, 918920902), (38, 532006838), (44, 459460451), (76, 266003419), (209, 96728516), (418, 48364258), (836, 24182129), (3463, 5837788), (6926, 2918894), (6983, 2895068), (13852, 1459447), (13966, 1447534), (27932, 723767), (38093, 530708), (65797, 307252), (76186, 265354), (76813, 263188), (131594, 153626), (132677, 152372)]