20388732

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18671}}^1$

素因数の和:18698

約数の個数: 48

約数和(自身を含む): 58555392

約数和(自身を除く): 38166660

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 18671, 37342, 56013, 74684, 112026, 130697, 224052, 242723, 261394, 392091, 485446, 522788, 728169, 784182, 970892, 1456338, 1568364, 1699061, 2912676, 3398122, 5097183, 6796244, 10194366, 20388732]

約数ペア:

[(1, 20388732), (2, 10194366), (3, 6796244), (4, 5097183), (6, 3398122), (7, 2912676), (12, 1699061), (13, 1568364), (14, 1456338), (21, 970892), (26, 784182), (28, 728169), (39, 522788), (42, 485446), (52, 392091), (78, 261394), (84, 242723), (91, 224052), (156, 130697), (182, 112026), (273, 74684), (364, 56013), (546, 37342), (1092, 18671)]