20784902710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{18329}}^1$

素因数の和:18434

約数の個数: 96

約数和(自身を含む): 44921990880

約数和(自身を除く): 24137088170

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 61, 65, 110, 122, 130, 143, 169, 286, 305, 338, 610, 671, 715, 793, 845, 1342, 1430, 1586, 1690, 1859, 3355, 3718, 3965, 6710, 7930, 8723, 9295, 10309, 17446, 18329, 18590, 20618, 36658, 43615, 51545, 87230, 91645, 103090, 113399, 183290, 201619, 226798, 238277, 403238, 476554, 566995, 1008095, 1118069, 1133990, 1191385, 2016190, 2236138, 2382770, 2621047, 3097601, 5242094, 5590345, 6195202, 11180690, 12298759, 13105235, 14534897, 15488005, 24597518, 26210470, 29069794, 30976010, 34073611, 61493795, 68147222, 72674485, 122987590, 145348970, 159883867, 170368055, 188953661, 319767734, 340736110, 377907322, 799419335, 944768305, 1598838670, 1889536610, 2078490271, 4156980542, 10392451355, 20784902710]

約数ペア:

[(1, 20784902710), (2, 10392451355), (5, 4156980542), (10, 2078490271), (11, 1889536610), (13, 1598838670), (22, 944768305), (26, 799419335), (55, 377907322), (61, 340736110), (65, 319767734), (110, 188953661), (122, 170368055), (130, 159883867), (143, 145348970), (169, 122987590), (286, 72674485), (305, 68147222), (338, 61493795), (610, 34073611), (671, 30976010), (715, 29069794), (793, 26210470), (845, 24597518), (1342, 15488005), (1430, 14534897), (1586, 13105235), (1690, 12298759), (1859, 11180690), (3355, 6195202), (3718, 5590345), (3965, 5242094), (6710, 3097601), (7930, 2621047), (8723, 2382770), (9295, 2236138), (10309, 2016190), (17446, 1191385), (18329, 1133990), (18590, 1118069), (20618, 1008095), (36658, 566995), (43615, 476554), (51545, 403238), (87230, 238277), (91645, 226798), (103090, 201619), (113399, 183290)]