20162977360

素因数分解:

$2^4\times 5^1\times {\mathrm{6577}}^1\times {\mathrm{38321}}^1$

素因数の和:44911

約数の個数: 40

約数和(自身を含む): 46887273576

約数和(自身を除く): 26724296216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6577, 13154, 26308, 32885, 38321, 52616, 65770, 76642, 105232, 131540, 153284, 191605, 263080, 306568, 383210, 526160, 613136, 766420, 1532840, 3065680, 252037217, 504074434, 1008148868, 1260186085, 2016297736, 2520372170, 4032595472, 5040744340, 10081488680, 20162977360]

約数ペア:

[(1, 20162977360), (2, 10081488680), (4, 5040744340), (5, 4032595472), (8, 2520372170), (10, 2016297736), (16, 1260186085), (20, 1008148868), (40, 504074434), (80, 252037217), (6577, 3065680), (13154, 1532840), (26308, 766420), (32885, 613136), (38321, 526160), (52616, 383210), (65770, 306568), (76642, 263080), (105232, 191605), (131540, 153284)]