20189870030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^2\times {\mathrm{97}}^1\times {\mathrm{179}}^1$

素因数の和:367

約数の個数: 144

約数和(自身を含む): 41934548880

約数和(自身を除く): 21744678850

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 97, 110, 121, 155, 179, 194, 242, 310, 341, 358, 485, 605, 682, 895, 961, 970, 1067, 1210, 1705, 1790, 1922, 1969, 2134, 3007, 3410, 3751, 3938, 4805, 5335, 5549, 6014, 7502, 9610, 9845, 10571, 10670, 11098, 11737, 15035, 17363, 18755, 19690, 21142, 21659, 23474, 27745, 30070, 33077, 34726, 37510, 43318, 52855, 55490, 58685, 61039, 66154, 86815, 93217, 105710, 108295, 116281, 117370, 122078, 165385, 172019, 173630, 186434, 190993, 216590, 232562, 305195, 330770, 344038, 363847, 381986, 466085, 538253, 581405, 610390, 671429, 727694, 860095, 932170, 954965, 1025387, 1076506, 1162810, 1342858, 1720190, 1819235, 1892209, 1909930, 2050774, 2100923, 2691265, 3357145, 3638470, 3784418, 4201846, 5126935, 5382530, 5920783, 6714290, 9461045, 10253870, 10504615, 11279257, 11841566, 16685843, 18922090, 20814299, 21009230, 22558514, 29603915, 33371686, 41628598, 56396285, 59207830, 65128613, 83429215, 104071495, 112792570, 130257226, 166858430, 183544273, 208142990, 325643065, 367088546, 651286130, 917721365, 1835442730, 2018987003, 4037974006, 10094935015, 20189870030]

約数ペア:

[(1, 20189870030), (2, 10094935015), (5, 4037974006), (10, 2018987003), (11, 1835442730), (22, 917721365), (31, 651286130), (55, 367088546), (62, 325643065), (97, 208142990), (110, 183544273), (121, 166858430), (155, 130257226), (179, 112792570), (194, 104071495), (242, 83429215), (310, 65128613), (341, 59207830), (358, 56396285), (485, 41628598), (605, 33371686), (682, 29603915), (895, 22558514), (961, 21009230), (970, 20814299), (1067, 18922090), (1210, 16685843), (1705, 11841566), (1790, 11279257), (1922, 10504615), (1969, 10253870), (2134, 9461045), (3007, 6714290), (3410, 5920783), (3751, 5382530), (3938, 5126935), (4805, 4201846), (5335, 3784418), (5549, 3638470), (6014, 3357145), (7502, 2691265), (9610, 2100923), (9845, 2050774), (10571, 1909930), (10670, 1892209), (11098, 1819235), (11737, 1720190), (15035, 1342858), (17363, 1162810), (18755, 1076506), (19690, 1025387), (21142, 954965), (21659, 932170), (23474, 860095), (27745, 727694), (30070, 671429), (33077, 610390), (34726, 581405), (37510, 538253), (43318, 466085), (52855, 381986), (55490, 363847), (58685, 344038), (61039, 330770), (66154, 305195), (86815, 232562), (93217, 216590), (105710, 190993), (108295, 186434), (116281, 173630), (117370, 172019), (122078, 165385)]