20106370

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:199

約数の個数: 64

約数和(自身を含む): 41057280

約数和(自身を除く): 20950910

約数列:

[1, 2, 5, 10, 19, 23, 38, 43, 46, 86, 95, 107, 115, 190, 214, 215, 230, 430, 437, 535, 817, 874, 989, 1070, 1634, 1978, 2033, 2185, 2461, 4066, 4085, 4370, 4601, 4922, 4945, 8170, 9202, 9890, 10165, 12305, 18791, 20330, 23005, 24610, 37582, 46010, 46759, 87419, 93518, 93955, 105823, 174838, 187910, 211646, 233795, 437095, 467590, 529115, 874190, 1058230, 2010637, 4021274, 10053185, 20106370]

約数ペア:

[(1, 20106370), (2, 10053185), (5, 4021274), (10, 2010637), (19, 1058230), (23, 874190), (38, 529115), (43, 467590), (46, 437095), (86, 233795), (95, 211646), (107, 187910), (115, 174838), (190, 105823), (214, 93955), (215, 93518), (230, 87419), (430, 46759), (437, 46010), (535, 37582), (817, 24610), (874, 23005), (989, 20330), (1070, 18791), (1634, 12305), (1978, 10165), (2033, 9890), (2185, 9202), (2461, 8170), (4066, 4945), (4085, 4922), (4370, 4601)]