20199608888

素因数分解:

$2^3\times {\mathrm{53}}^2\times {\mathrm{239}}^1\times {\mathrm{3761}}^1$

素因数の和:4112

約数の個数: 48

約数和(自身を含む): 38774181600

約数和(自身を除く): 18574572712

約数列:

[1, 2, 4, 8, 53, 106, 212, 239, 424, 478, 956, 1912, 2809, 3761, 5618, 7522, 11236, 12667, 15044, 22472, 25334, 30088, 50668, 101336, 199333, 398666, 671351, 797332, 898879, 1342702, 1594664, 1797758, 2685404, 3595516, 5370808, 7191032, 10564649, 21129298, 42258596, 47640587, 84517192, 95281174, 190562348, 381124696, 2524951111, 5049902222, 10099804444, 20199608888]

約数ペア:

[(1, 20199608888), (2, 10099804444), (4, 5049902222), (8, 2524951111), (53, 381124696), (106, 190562348), (212, 95281174), (239, 84517192), (424, 47640587), (478, 42258596), (956, 21129298), (1912, 10564649), (2809, 7191032), (3761, 5370808), (5618, 3595516), (7522, 2685404), (11236, 1797758), (12667, 1594664), (15044, 1342702), (22472, 898879), (25334, 797332), (30088, 671351), (50668, 398666), (101336, 199333)]