20189987656

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{827}}^1\times {\mathrm{38629}}^1$

素因数の和:39541

約数の個数: 32

約数和(自身を含む): 38382768000

約数和(自身を除く): 18192780344

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 827, 1654, 3308, 6616, 38629, 65333, 77258, 130666, 154516, 261332, 309032, 522664, 3051691, 6103382, 12206764, 24413528, 31946183, 63892366, 127784732, 255569464, 2523748457, 5047496914, 10094993828, 20189987656]

約数ペア:

[(1, 20189987656), (2, 10094993828), (4, 5047496914), (8, 2523748457), (79, 255569464), (158, 127784732), (316, 63892366), (632, 31946183), (827, 24413528), (1654, 12206764), (3308, 6103382), (6616, 3051691), (38629, 522664), (65333, 309032), (77258, 261332), (130666, 154516)]