20065656

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{881}}^1$

素因数の和:976

約数の個数: 64

約数和(自身を含む): 54825120

約数和(自身を除く): 34759464

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 73, 78, 104, 146, 156, 219, 292, 312, 438, 584, 876, 881, 949, 1752, 1762, 1898, 2643, 2847, 3524, 3796, 5286, 5694, 7048, 7592, 10572, 11388, 11453, 21144, 22776, 22906, 34359, 45812, 64313, 68718, 91624, 128626, 137436, 192939, 257252, 274872, 385878, 514504, 771756, 836069, 1543512, 1672138, 2508207, 3344276, 5016414, 6688552, 10032828, 20065656]

約数ペア:

[(1, 20065656), (2, 10032828), (3, 6688552), (4, 5016414), (6, 3344276), (8, 2508207), (12, 1672138), (13, 1543512), (24, 836069), (26, 771756), (39, 514504), (52, 385878), (73, 274872), (78, 257252), (104, 192939), (146, 137436), (156, 128626), (219, 91624), (292, 68718), (312, 64313), (438, 45812), (584, 34359), (876, 22906), (881, 22776), (949, 21144), (1752, 11453), (1762, 11388), (1898, 10572), (2643, 7592), (2847, 7048), (3524, 5694), (3796, 5286)]