16378020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{90989}}^1$

素因数の和:91004

約数の個数: 36

約数和(自身を含む): 49680540

約数和(自身を除く): 33302520

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 90989, 181978, 272967, 363956, 454945, 545934, 818901, 909890, 1091868, 1364835, 1637802, 1819780, 2729670, 3275604, 4094505, 5459340, 8189010, 16378020]

約数ペア:

[(1, 16378020), (2, 8189010), (3, 5459340), (4, 4094505), (5, 3275604), (6, 2729670), (9, 1819780), (10, 1637802), (12, 1364835), (15, 1091868), (18, 909890), (20, 818901), (30, 545934), (36, 454945), (45, 363956), (60, 272967), (90, 181978), (180, 90989)]