20080196

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 39989376

約数和(自身を除く): 19909180

約数列:

[1, 2, 4, 17, 23, 34, 37, 46, 68, 74, 92, 148, 347, 391, 629, 694, 782, 851, 1258, 1388, 1564, 1702, 2516, 3404, 5899, 7981, 11798, 12839, 14467, 15962, 23596, 25678, 28934, 31924, 51356, 57868, 135677, 218263, 271354, 295297, 436526, 542708, 590594, 873052, 1181188, 5020049, 10040098, 20080196]

約数ペア:

[(1, 20080196), (2, 10040098), (4, 5020049), (17, 1181188), (23, 873052), (34, 590594), (37, 542708), (46, 436526), (68, 295297), (74, 271354), (92, 218263), (148, 135677), (347, 57868), (391, 51356), (629, 31924), (694, 28934), (782, 25678), (851, 23596), (1258, 15962), (1388, 14467), (1564, 12839), (1702, 11798), (2516, 7981), (3404, 5899)]