20212509639

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2243}}^1\times {\mathrm{14797}}^1$

素因数の和:17079

約数の個数: 32

約数和(自身を含む): 31878443520

約数和(自身を除く): 11665933881

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 2243, 6729, 14797, 15701, 44391, 47103, 65047, 103579, 195141, 310737, 429113, 455329, 1287339, 1365987, 3003791, 9011373, 33189671, 99569013, 232327697, 696983091, 962500459, 2887501377, 6737503213, 20212509639]

約数ペア:

[(1, 20212509639), (3, 6737503213), (7, 2887501377), (21, 962500459), (29, 696983091), (87, 232327697), (203, 99569013), (609, 33189671), (2243, 9011373), (6729, 3003791), (14797, 1365987), (15701, 1287339), (44391, 455329), (47103, 429113), (65047, 310737), (103579, 195141)]