20481656

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6791}}^1$

素因数の和:6839

約数の個数: 32

約数和(自身を含む): 42789600

約数和(自身を除く): 22307944

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 232, 377, 754, 1508, 3016, 6791, 13582, 27164, 54328, 88283, 176566, 196939, 353132, 393878, 706264, 787756, 1575512, 2560207, 5120414, 10240828, 20481656]

約数ペア:

[(1, 20481656), (2, 10240828), (4, 5120414), (8, 2560207), (13, 1575512), (26, 787756), (29, 706264), (52, 393878), (58, 353132), (104, 196939), (116, 176566), (232, 88283), (377, 54328), (754, 27164), (1508, 13582), (3016, 6791)]