20631104

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:343

約数の個数: 56

約数和(自身を含む): 44656248

約数和(自身を除く): 24025144

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 137, 181, 208, 274, 362, 416, 548, 724, 832, 1096, 1448, 1781, 2192, 2353, 2896, 3562, 4384, 4706, 5792, 7124, 8768, 9412, 11584, 14248, 18824, 24797, 28496, 37648, 49594, 56992, 75296, 99188, 113984, 150592, 198376, 322361, 396752, 644722, 793504, 1289444, 1587008, 2578888, 5157776, 10315552, 20631104]

約数ペア:

[(1, 20631104), (2, 10315552), (4, 5157776), (8, 2578888), (13, 1587008), (16, 1289444), (26, 793504), (32, 644722), (52, 396752), (64, 322361), (104, 198376), (137, 150592), (181, 113984), (208, 99188), (274, 75296), (362, 56992), (416, 49594), (548, 37648), (724, 28496), (832, 24797), (1096, 18824), (1448, 14248), (1781, 11584), (2192, 9412), (2353, 8768), (2896, 7124), (3562, 5792), (4384, 4706)]