20522565

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 44728320

約数和(自身を除く): 24205755

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 45, 57, 63, 81, 95, 105, 127, 133, 135, 171, 189, 243, 285, 315, 381, 399, 405, 513, 567, 635, 665, 855, 889, 945, 1143, 1197, 1215, 1539, 1701, 1905, 1995, 2413, 2565, 2667, 2835, 3429, 3591, 4445, 4617, 5715, 5985, 7239, 7695, 8001, 8505, 10287, 10773, 12065, 13335, 16891, 17145, 17955, 21717, 23085, 24003, 30861, 32319, 36195, 40005, 50673, 51435, 53865, 65151, 72009, 84455, 108585, 120015, 152019, 154305, 161595, 195453, 216027, 253365, 325755, 360045, 456057, 586359, 760095, 977265, 1080135, 1368171, 2280285, 2931795, 4104513, 6840855, 20522565]

約数ペア:

[(1, 20522565), (3, 6840855), (5, 4104513), (7, 2931795), (9, 2280285), (15, 1368171), (19, 1080135), (21, 977265), (27, 760095), (35, 586359), (45, 456057), (57, 360045), (63, 325755), (81, 253365), (95, 216027), (105, 195453), (127, 161595), (133, 154305), (135, 152019), (171, 120015), (189, 108585), (243, 84455), (285, 72009), (315, 65151), (381, 53865), (399, 51435), (405, 50673), (513, 40005), (567, 36195), (635, 32319), (665, 30861), (855, 24003), (889, 23085), (945, 21717), (1143, 17955), (1197, 17145), (1215, 16891), (1539, 13335), (1701, 12065), (1905, 10773), (1995, 10287), (2413, 8505), (2565, 8001), (2667, 7695), (2835, 7239), (3429, 5985), (3591, 5715), (4445, 4617)]