20105257511810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{271}}^1\times {\mathrm{1982077}}^1$

素因数の和:1982571

約数の個数: 64

約数和(自身を含む): 38428845396480

約数和(自身を除く): 18323587884670

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 197, 271, 394, 542, 985, 1355, 1970, 2710, 3743, 5149, 7486, 10298, 18715, 25745, 37430, 51490, 53387, 106774, 266935, 533870, 1014353, 1982077, 2028706, 3964154, 5071765, 9910385, 10143530, 19820770, 37659463, 75318926, 188297315, 376594630, 390469169, 537142867, 780938338, 1074285734, 1952345845, 2685714335, 3904691690, 5371428670, 7418914211, 10205714473, 14837828422, 20411428946, 37094571055, 51028572365, 74189142110, 102057144730, 105817144799, 211634289598, 529085723995, 1058171447990, 2010525751181, 4021051502362, 10052628755905, 20105257511810]

約数ペア:

[(1, 20105257511810), (2, 10052628755905), (5, 4021051502362), (10, 2010525751181), (19, 1058171447990), (38, 529085723995), (95, 211634289598), (190, 105817144799), (197, 102057144730), (271, 74189142110), (394, 51028572365), (542, 37094571055), (985, 20411428946), (1355, 14837828422), (1970, 10205714473), (2710, 7418914211), (3743, 5371428670), (5149, 3904691690), (7486, 2685714335), (10298, 1952345845), (18715, 1074285734), (25745, 780938338), (37430, 537142867), (51490, 390469169), (53387, 376594630), (106774, 188297315), (266935, 75318926), (533870, 37659463), (1014353, 19820770), (1982077, 10143530), (2028706, 9910385), (3964154, 5071765)]