20173878712

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1321}}^1\times {\mathrm{146843}}^1$

素因数の和:148183

約数の個数: 32

約数和(自身を含む): 40766831280

約数和(自身を除く): 20592952568

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1321, 2642, 5284, 10568, 17173, 34346, 68692, 137384, 146843, 293686, 587372, 1174744, 1908959, 3817918, 7635836, 15271672, 193979603, 387959206, 775918412, 1551836824, 2521734839, 5043469678, 10086939356, 20173878712]

約数ペア:

[(1, 20173878712), (2, 10086939356), (4, 5043469678), (8, 2521734839), (13, 1551836824), (26, 775918412), (52, 387959206), (104, 193979603), (1321, 15271672), (2642, 7635836), (5284, 3817918), (10568, 1908959), (17173, 1174744), (34346, 587372), (68692, 293686), (137384, 146843)]