20354464

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{433}}^1$

素因数の和:569

約数の個数: 48

約数和(自身を含む): 43637832

約数和(自身を除く): 23283368

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 113, 208, 226, 416, 433, 452, 866, 904, 1469, 1732, 1808, 2938, 3464, 3616, 5629, 5876, 6928, 11258, 11752, 13856, 22516, 23504, 45032, 47008, 48929, 90064, 97858, 180128, 195716, 391432, 636077, 782864, 1272154, 1565728, 2544308, 5088616, 10177232, 20354464]

約数ペア:

[(1, 20354464), (2, 10177232), (4, 5088616), (8, 2544308), (13, 1565728), (16, 1272154), (26, 782864), (32, 636077), (52, 391432), (104, 195716), (113, 180128), (208, 97858), (226, 90064), (416, 48929), (433, 47008), (452, 45032), (866, 23504), (904, 22516), (1469, 13856), (1732, 11752), (1808, 11258), (2938, 6928), (3464, 5876), (3616, 5629)]