20086797568

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{142403}}^1$

素因数の和:142467

約数の個数: 72

約数和(自身を含む): 43661066400

約数和(自身を除く): 23574268832

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 38, 58, 64, 76, 116, 128, 152, 232, 256, 304, 464, 551, 608, 928, 1102, 1216, 1856, 2204, 2432, 3712, 4408, 4864, 7424, 8816, 17632, 35264, 70528, 141056, 142403, 284806, 569612, 1139224, 2278448, 2705657, 4129687, 4556896, 5411314, 8259374, 9113792, 10822628, 16518748, 18227584, 21645256, 33037496, 36455168, 43290512, 66074992, 78464053, 86581024, 132149984, 156928106, 173162048, 264299968, 313856212, 346324096, 528599936, 627712424, 692648192, 1057199872, 1255424848, 2510849696, 5021699392, 10043398784, 20086797568]

約数ペア:

[(1, 20086797568), (2, 10043398784), (4, 5021699392), (8, 2510849696), (16, 1255424848), (19, 1057199872), (29, 692648192), (32, 627712424), (38, 528599936), (58, 346324096), (64, 313856212), (76, 264299968), (116, 173162048), (128, 156928106), (152, 132149984), (232, 86581024), (256, 78464053), (304, 66074992), (464, 43290512), (551, 36455168), (608, 33037496), (928, 21645256), (1102, 18227584), (1216, 16518748), (1856, 10822628), (2204, 9113792), (2432, 8259374), (3712, 5411314), (4408, 4556896), (4864, 4129687), (7424, 2705657), (8816, 2278448), (17632, 1139224), (35264, 569612), (70528, 284806), (141056, 142403)]