20948695376

素因数分解:

$2^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1815941}}^1$

素因数の和:1816059

約数の個数: 40

約数和(自身を含む): 46836776064

約数和(自身を除く): 25888080688

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 103, 112, 206, 412, 721, 824, 1442, 1648, 2884, 5768, 11536, 1815941, 3631882, 7263764, 12711587, 14527528, 25423174, 29055056, 50846348, 101692696, 187041923, 203385392, 374083846, 748167692, 1309293461, 1496335384, 2618586922, 2992670768, 5237173844, 10474347688, 20948695376]

約数ペア:

[(1, 20948695376), (2, 10474347688), (4, 5237173844), (7, 2992670768), (8, 2618586922), (14, 1496335384), (16, 1309293461), (28, 748167692), (56, 374083846), (103, 203385392), (112, 187041923), (206, 101692696), (412, 50846348), (721, 29055056), (824, 25423174), (1442, 14527528), (1648, 12711587), (2884, 7263764), (5768, 3631882), (11536, 1815941)]