20543692

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 41065920

約数和(自身を除く): 20522228

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 89, 92, 178, 193, 299, 356, 386, 598, 772, 1157, 1196, 2047, 2314, 2509, 4094, 4439, 4628, 5018, 8188, 8878, 10036, 17177, 17756, 26611, 34354, 53222, 57707, 68708, 106444, 115414, 223301, 230828, 395071, 446602, 790142, 893204, 1580284, 5135923, 10271846, 20543692]

約数ペア:

[(1, 20543692), (2, 10271846), (4, 5135923), (13, 1580284), (23, 893204), (26, 790142), (46, 446602), (52, 395071), (89, 230828), (92, 223301), (178, 115414), (193, 106444), (299, 68708), (356, 57707), (386, 53222), (598, 34354), (772, 26611), (1157, 17756), (1196, 17177), (2047, 10036), (2314, 8878), (2509, 8188), (4094, 5018), (4439, 4628)]