20151952

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:343

約数の個数: 40

約数和(自身を含む): 40176000

約数和(自身を除く): 20024048

約数列:

[1, 2, 4, 8, 16, 79, 107, 149, 158, 214, 298, 316, 428, 596, 632, 856, 1192, 1264, 1712, 2384, 8453, 11771, 15943, 16906, 23542, 31886, 33812, 47084, 63772, 67624, 94168, 127544, 135248, 188336, 255088, 1259497, 2518994, 5037988, 10075976, 20151952]

約数ペア:

[(1, 20151952), (2, 10075976), (4, 5037988), (8, 2518994), (16, 1259497), (79, 255088), (107, 188336), (149, 135248), (158, 127544), (214, 94168), (298, 67624), (316, 63772), (428, 47084), (596, 33812), (632, 31886), (856, 23542), (1192, 16906), (1264, 15943), (1712, 11771), (2384, 8453)]