20199441633

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2977951}}^1$

素因数の和:2977997

約数の個数: 32

約数和(自身を含む): 34306007040

約数和(自身を除く): 14106565407

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 6783, 2977951, 8933853, 20845657, 50625167, 56581069, 62536971, 151875501, 169743207, 354376169, 396067483, 961878173, 1063128507, 1188202449, 2885634519, 6733147211, 20199441633]

約数ペア:

[(1, 20199441633), (3, 6733147211), (7, 2885634519), (17, 1188202449), (19, 1063128507), (21, 961878173), (51, 396067483), (57, 354376169), (119, 169743207), (133, 151875501), (323, 62536971), (357, 56581069), (399, 50625167), (969, 20845657), (2261, 8933853), (6783, 2977951)]