20483272

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{317}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 39667320

約数和(自身を除く): 19184048

約数列:

[1, 2, 4, 8, 41, 82, 164, 197, 317, 328, 394, 634, 788, 1268, 1576, 2536, 8077, 12997, 16154, 25994, 32308, 51988, 62449, 64616, 103976, 124898, 249796, 499592, 2560409, 5120818, 10241636, 20483272]

約数ペア:

[(1, 20483272), (2, 10241636), (4, 5120818), (8, 2560409), (41, 499592), (82, 249796), (164, 124898), (197, 103976), (317, 64616), (328, 62449), (394, 51988), (634, 32308), (788, 25994), (1268, 16154), (1576, 12997), (2536, 8077)]