20304819128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{75577}}^1$

素因数の和:75708

約数の個数: 64

約数和(自身を含む): 43097598720

約数和(自身を除く): 22792779592

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 71, 86, 88, 142, 172, 284, 344, 473, 568, 781, 946, 1562, 1892, 3053, 3124, 3784, 6106, 6248, 12212, 24424, 33583, 67166, 75577, 134332, 151154, 268664, 302308, 604616, 831347, 1662694, 3249811, 3325388, 5365967, 6499622, 6650776, 10731934, 12999244, 21463868, 25998488, 35747921, 42927736, 59025637, 71495842, 118051274, 142991684, 230736581, 236102548, 285983368, 461473162, 472205096, 922946324, 1845892648, 2538102391, 5076204782, 10152409564, 20304819128]

約数ペア:

[(1, 20304819128), (2, 10152409564), (4, 5076204782), (8, 2538102391), (11, 1845892648), (22, 922946324), (43, 472205096), (44, 461473162), (71, 285983368), (86, 236102548), (88, 230736581), (142, 142991684), (172, 118051274), (284, 71495842), (344, 59025637), (473, 42927736), (568, 35747921), (781, 25998488), (946, 21463868), (1562, 12999244), (1892, 10731934), (3053, 6650776), (3124, 6499622), (3784, 5365967), (6106, 3325388), (6248, 3249811), (12212, 1662694), (24424, 831347), (33583, 604616), (67166, 302308), (75577, 268664), (134332, 151154)]