20175661428

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{5261}}^1$

素因数の和:5386

約数の個数: 144

約数和(自身を含む): 53493576192

約数和(自身を除く): 33317914764

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 61, 62, 78, 93, 122, 124, 156, 169, 183, 186, 244, 338, 366, 372, 403, 507, 676, 732, 793, 806, 1014, 1209, 1586, 1612, 1891, 2028, 2379, 2418, 3172, 3782, 4758, 4836, 5239, 5261, 5673, 7564, 9516, 10309, 10478, 10522, 11346, 15717, 15783, 20618, 20956, 21044, 22692, 24583, 30927, 31434, 31566, 41236, 49166, 61854, 62868, 63132, 68393, 73749, 98332, 123708, 136786, 147498, 163091, 205179, 273572, 294996, 319579, 320921, 326182, 410358, 489273, 639158, 641842, 652364, 820716, 889109, 958737, 962763, 978546, 1278316, 1283684, 1778218, 1917474, 1925526, 1957092, 2120183, 2667327, 3556436, 3834948, 3851052, 4171973, 4240366, 5334654, 6360549, 8343946, 8480732, 9948551, 10669308, 12515919, 12721098, 16687892, 19897102, 25031838, 25442196, 27562379, 29845653, 39794204, 50063676, 54235649, 55124758, 59691306, 82687137, 108471298, 110249516, 119382612, 129331163, 162706947, 165374274, 216942596, 258662326, 325413894, 330748548, 387993489, 517324652, 650827788, 775986978, 1551973956, 1681305119, 3362610238, 5043915357, 6725220476, 10087830714, 20175661428]

約数ペア:

[(1, 20175661428), (2, 10087830714), (3, 6725220476), (4, 5043915357), (6, 3362610238), (12, 1681305119), (13, 1551973956), (26, 775986978), (31, 650827788), (39, 517324652), (52, 387993489), (61, 330748548), (62, 325413894), (78, 258662326), (93, 216942596), (122, 165374274), (124, 162706947), (156, 129331163), (169, 119382612), (183, 110249516), (186, 108471298), (244, 82687137), (338, 59691306), (366, 55124758), (372, 54235649), (403, 50063676), (507, 39794204), (676, 29845653), (732, 27562379), (793, 25442196), (806, 25031838), (1014, 19897102), (1209, 16687892), (1586, 12721098), (1612, 12515919), (1891, 10669308), (2028, 9948551), (2379, 8480732), (2418, 8343946), (3172, 6360549), (3782, 5334654), (4758, 4240366), (4836, 4171973), (5239, 3851052), (5261, 3834948), (5673, 3556436), (7564, 2667327), (9516, 2120183), (10309, 1957092), (10478, 1925526), (10522, 1917474), (11346, 1778218), (15717, 1283684), (15783, 1278316), (20618, 978546), (20956, 962763), (21044, 958737), (22692, 889109), (24583, 820716), (30927, 652364), (31434, 641842), (31566, 639158), (41236, 489273), (49166, 410358), (61854, 326182), (62868, 320921), (63132, 319579), (68393, 294996), (73749, 273572), (98332, 205179), (123708, 163091), (136786, 147498)]