20388617756

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{641}}^1\times {\mathrm{1277}}^1$

素因数の和:2414

約数の個数: 48

約数和(自身を含む): 38595191040

約数和(自身を除く): 18206573284

約数列:

[1, 2, 4, 13, 26, 52, 479, 641, 958, 1277, 1282, 1916, 2554, 2564, 5108, 6227, 8333, 12454, 16601, 16666, 24908, 33202, 33332, 66404, 307039, 611683, 614078, 818557, 1223366, 1228156, 1637114, 2446732, 3274228, 3991507, 7951879, 7983014, 10641241, 15903758, 15966028, 21282482, 31807516, 42564964, 392088803, 784177606, 1568355212, 5097154439, 10194308878, 20388617756]

約数ペア:

[(1, 20388617756), (2, 10194308878), (4, 5097154439), (13, 1568355212), (26, 784177606), (52, 392088803), (479, 42564964), (641, 31807516), (958, 21282482), (1277, 15966028), (1282, 15903758), (1916, 10641241), (2554, 7983014), (2564, 7951879), (5108, 3991507), (6227, 3274228), (8333, 2446732), (12454, 1637114), (16601, 1228156), (16666, 1223366), (24908, 818557), (33202, 614078), (33332, 611683), (66404, 307039)]