20144218185

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{26881}}^1$

素因数の和:26976

約数の個数: 128

約数和(自身を含む): 44800465920

約数和(自身を除く): 24656247735

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 61, 63, 65, 91, 105, 117, 135, 183, 189, 195, 273, 305, 315, 351, 427, 455, 549, 585, 793, 819, 915, 945, 1281, 1365, 1647, 1755, 2135, 2379, 2457, 2745, 3843, 3965, 4095, 5551, 6405, 7137, 8235, 11529, 11895, 12285, 16653, 19215, 21411, 26881, 27755, 35685, 49959, 57645, 80643, 83265, 107055, 134405, 149877, 188167, 241929, 249795, 349453, 403215, 564501, 725787, 749385, 940835, 1048359, 1209645, 1639741, 1693503, 1747265, 2446171, 2822505, 3145077, 3628935, 4919223, 5080509, 5241795, 7338513, 8198705, 8467515, 9435231, 11478187, 12230855, 14757669, 15725385, 21316633, 22015539, 24596115, 25402545, 34434561, 36692565, 44273007, 47176155, 57390935, 63949899, 66046617, 73788345, 103303683, 106583165, 110077695, 149216431, 172172805, 191849697, 221365035, 309911049, 319749495, 330233085, 447649293, 516518415, 575549091, 746082155, 959248485, 1342947879, 1549555245, 2238246465, 2877745455, 4028843637, 6714739395, 20144218185]

約数ペア:

[(1, 20144218185), (3, 6714739395), (5, 4028843637), (7, 2877745455), (9, 2238246465), (13, 1549555245), (15, 1342947879), (21, 959248485), (27, 746082155), (35, 575549091), (39, 516518415), (45, 447649293), (61, 330233085), (63, 319749495), (65, 309911049), (91, 221365035), (105, 191849697), (117, 172172805), (135, 149216431), (183, 110077695), (189, 106583165), (195, 103303683), (273, 73788345), (305, 66046617), (315, 63949899), (351, 57390935), (427, 47176155), (455, 44273007), (549, 36692565), (585, 34434561), (793, 25402545), (819, 24596115), (915, 22015539), (945, 21316633), (1281, 15725385), (1365, 14757669), (1647, 12230855), (1755, 11478187), (2135, 9435231), (2379, 8467515), (2457, 8198705), (2745, 7338513), (3843, 5241795), (3965, 5080509), (4095, 4919223), (5551, 3628935), (6405, 3145077), (7137, 2822505), (8235, 2446171), (11529, 1747265), (11895, 1693503), (12285, 1639741), (16653, 1209645), (19215, 1048359), (21411, 940835), (26881, 749385), (27755, 725787), (35685, 564501), (49959, 403215), (57645, 349453), (80643, 249795), (83265, 241929), (107055, 188167), (134405, 149877)]