20804948936

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1\times {\mathrm{1951}}^1$

素因数の和:2442

約数の個数: 64

約数和(自身を含む): 40476672000

約数和(自身を除く): 19671723064

約数列:

[1, 2, 4, 8, 47, 79, 94, 158, 188, 316, 359, 376, 632, 718, 1436, 1951, 2872, 3713, 3902, 7426, 7804, 14852, 15608, 16873, 28361, 29704, 33746, 56722, 67492, 91697, 113444, 134984, 154129, 183394, 226888, 308258, 366788, 616516, 700409, 733576, 1233032, 1332967, 1400818, 2665934, 2801636, 5331868, 5603272, 7244063, 10663736, 14488126, 28976252, 32919223, 55332311, 57952504, 65838446, 110664622, 131676892, 221329244, 263353784, 442658488, 2600618617, 5201237234, 10402474468, 20804948936]

約数ペア:

[(1, 20804948936), (2, 10402474468), (4, 5201237234), (8, 2600618617), (47, 442658488), (79, 263353784), (94, 221329244), (158, 131676892), (188, 110664622), (316, 65838446), (359, 57952504), (376, 55332311), (632, 32919223), (718, 28976252), (1436, 14488126), (1951, 10663736), (2872, 7244063), (3713, 5603272), (3902, 5331868), (7426, 2801636), (7804, 2665934), (14852, 1400818), (15608, 1332967), (16873, 1233032), (28361, 733576), (29704, 700409), (33746, 616516), (56722, 366788), (67492, 308258), (91697, 226888), (113444, 183394), (134984, 154129)]