20147647828

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{332053}}^1$

素因数の和:332272

約数の個数: 48

約数和(自身を含む): 44181777024

約数和(自身を除く): 24034129196

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 197, 308, 394, 788, 1379, 2167, 2758, 4334, 5516, 8668, 15169, 30338, 60676, 332053, 664106, 1328212, 2324371, 3652583, 4648742, 7305166, 9297484, 14610332, 25568081, 51136162, 65414441, 102272324, 130828882, 261657764, 457901087, 719558851, 915802174, 1439117702, 1831604348, 2878235404, 5036911957, 10073823914, 20147647828]

約数ペア:

[(1, 20147647828), (2, 10073823914), (4, 5036911957), (7, 2878235404), (11, 1831604348), (14, 1439117702), (22, 915802174), (28, 719558851), (44, 457901087), (77, 261657764), (154, 130828882), (197, 102272324), (308, 65414441), (394, 51136162), (788, 25568081), (1379, 14610332), (2167, 9297484), (2758, 7305166), (4334, 4648742), (5516, 3652583), (8668, 2324371), (15169, 1328212), (30338, 664106), (60676, 332053)]