20512695610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{229}}^1\times {\mathrm{409}}^1$

素因数の和:848

約数の個数: 96

約数和(自身を含む): 41087264400

約数和(自身を除く): 20574568790

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 181, 229, 242, 362, 409, 458, 605, 818, 905, 1145, 1210, 1810, 1991, 2045, 2290, 2519, 3982, 4090, 4499, 5038, 8998, 9955, 12595, 19910, 21901, 22495, 25190, 27709, 41449, 43802, 44990, 49489, 55418, 74029, 82898, 93661, 98978, 109505, 138545, 148058, 187322, 207245, 219010, 247445, 277090, 370145, 414490, 455939, 468305, 494890, 740290, 814319, 911878, 936610, 1030271, 1628638, 2060542, 2279695, 4071595, 4559390, 5015329, 5151355, 8143190, 8957509, 10030658, 10302710, 11332981, 16952641, 17915018, 22665962, 25076645, 33905282, 44787545, 50153290, 56664905, 84763205, 89575090, 113329810, 169526410, 186479051, 372958102, 932395255, 1864790510, 2051269561, 4102539122, 10256347805, 20512695610]

約数ペア:

[(1, 20512695610), (2, 10256347805), (5, 4102539122), (10, 2051269561), (11, 1864790510), (22, 932395255), (55, 372958102), (110, 186479051), (121, 169526410), (181, 113329810), (229, 89575090), (242, 84763205), (362, 56664905), (409, 50153290), (458, 44787545), (605, 33905282), (818, 25076645), (905, 22665962), (1145, 17915018), (1210, 16952641), (1810, 11332981), (1991, 10302710), (2045, 10030658), (2290, 8957509), (2519, 8143190), (3982, 5151355), (4090, 5015329), (4499, 4559390), (5038, 4071595), (8998, 2279695), (9955, 2060542), (12595, 1628638), (19910, 1030271), (21901, 936610), (22495, 911878), (25190, 814319), (27709, 740290), (41449, 494890), (43802, 468305), (44990, 455939), (49489, 414490), (55418, 370145), (74029, 277090), (82898, 247445), (93661, 219010), (98978, 207245), (109505, 187322), (138545, 148058)]