20809408064

素因数分解:

$2^6\times {\mathrm{103}}^1\times {\mathrm{577}}^1\times {\mathrm{5471}}^1$

素因数の和:6163

約数の個数: 56

約数和(自身を含む): 41774473728

約数和(自身を除く): 20965065664

約数列:

[1, 2, 4, 8, 16, 32, 64, 103, 206, 412, 577, 824, 1154, 1648, 2308, 3296, 4616, 5471, 6592, 9232, 10942, 18464, 21884, 36928, 43768, 59431, 87536, 118862, 175072, 237724, 350144, 475448, 563513, 950896, 1127026, 1901792, 2254052, 3156767, 3803584, 4508104, 6313534, 9016208, 12627068, 18032416, 25254136, 36064832, 50508272, 101016544, 202033088, 325147001, 650294002, 1300588004, 2601176008, 5202352016, 10404704032, 20809408064]

約数ペア:

[(1, 20809408064), (2, 10404704032), (4, 5202352016), (8, 2601176008), (16, 1300588004), (32, 650294002), (64, 325147001), (103, 202033088), (206, 101016544), (412, 50508272), (577, 36064832), (824, 25254136), (1154, 18032416), (1648, 12627068), (2308, 9016208), (3296, 6313534), (4616, 4508104), (5471, 3803584), (6592, 3156767), (9232, 2254052), (10942, 1901792), (18464, 1127026), (21884, 950896), (36928, 563513), (43768, 475448), (59431, 350144), (87536, 237724), (118862, 175072)]