20749404

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5783}}^1$

素因数の和:5826

約数の個数: 48

約数和(自身を含む): 54415872

約数和(自身を除く): 33666468

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 276, 299, 598, 897, 1196, 1794, 3588, 5783, 11566, 17349, 23132, 34698, 69396, 75179, 133009, 150358, 225537, 266018, 300716, 399027, 451074, 532036, 798054, 902148, 1596108, 1729117, 3458234, 5187351, 6916468, 10374702, 20749404]

約数ペア:

[(1, 20749404), (2, 10374702), (3, 6916468), (4, 5187351), (6, 3458234), (12, 1729117), (13, 1596108), (23, 902148), (26, 798054), (39, 532036), (46, 451074), (52, 399027), (69, 300716), (78, 266018), (92, 225537), (138, 150358), (156, 133009), (276, 75179), (299, 69396), (598, 34698), (897, 23132), (1196, 17349), (1794, 11566), (3588, 5783)]