20199451216

素因数分解:

$2^4\times 7^1\times {\mathrm{5479}}^1\times {\mathrm{32917}}^1$

素因数の和:38411

約数の個数: 40

約数和(自身を含む): 44736878720

約数和(自身を除く): 24537427504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 5479, 10958, 21916, 32917, 38353, 43832, 65834, 76706, 87664, 131668, 153412, 230419, 263336, 306824, 460838, 526672, 613648, 921676, 1843352, 3686704, 180352243, 360704486, 721408972, 1262465701, 1442817944, 2524931402, 2885635888, 5049862804, 10099725608, 20199451216]

約数ペア:

[(1, 20199451216), (2, 10099725608), (4, 5049862804), (7, 2885635888), (8, 2524931402), (14, 1442817944), (16, 1262465701), (28, 721408972), (56, 360704486), (112, 180352243), (5479, 3686704), (10958, 1843352), (21916, 921676), (32917, 613648), (38353, 526672), (43832, 460838), (65834, 306824), (76706, 263336), (87664, 230419), (131668, 153412)]