20803525180

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{839}}^1\times {\mathrm{6491}}^1$

素因数の和:7530

約数の個数: 48

約数和(自身を含む): 43975249920

約数和(自身を除く): 23171724740

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 839, 955, 1678, 1910, 3356, 3820, 4195, 6491, 8390, 12982, 16780, 25964, 32455, 64910, 129820, 160249, 320498, 640996, 801245, 1239781, 1602490, 2479562, 3204980, 4959124, 5445949, 6198905, 10891898, 12397810, 21783796, 24795620, 27229745, 54459490, 108918980, 1040176259, 2080352518, 4160705036, 5200881295, 10401762590, 20803525180]

約数ペア:

[(1, 20803525180), (2, 10401762590), (4, 5200881295), (5, 4160705036), (10, 2080352518), (20, 1040176259), (191, 108918980), (382, 54459490), (764, 27229745), (839, 24795620), (955, 21783796), (1678, 12397810), (1910, 10891898), (3356, 6198905), (3820, 5445949), (4195, 4959124), (6491, 3204980), (8390, 2479562), (12982, 1602490), (16780, 1239781), (25964, 801245), (32455, 640996), (64910, 320498), (129820, 160249)]