20081488

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:284

約数の個数: 80

約数和(自身を含む): 48211200

約数和(自身を除く): 28129712

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 53, 56, 68, 106, 112, 119, 136, 199, 212, 238, 272, 371, 398, 424, 476, 742, 796, 848, 901, 952, 1393, 1484, 1592, 1802, 1904, 2786, 2968, 3184, 3383, 3604, 5572, 5936, 6307, 6766, 7208, 10547, 11144, 12614, 13532, 14416, 21094, 22288, 23681, 25228, 27064, 42188, 47362, 50456, 54128, 73829, 84376, 94724, 100912, 147658, 168752, 179299, 189448, 295316, 358598, 378896, 590632, 717196, 1181264, 1255093, 1434392, 2510186, 2868784, 5020372, 10040744, 20081488]

約数ペア:

[(1, 20081488), (2, 10040744), (4, 5020372), (7, 2868784), (8, 2510186), (14, 1434392), (16, 1255093), (17, 1181264), (28, 717196), (34, 590632), (53, 378896), (56, 358598), (68, 295316), (106, 189448), (112, 179299), (119, 168752), (136, 147658), (199, 100912), (212, 94724), (238, 84376), (272, 73829), (371, 54128), (398, 50456), (424, 47362), (476, 42188), (742, 27064), (796, 25228), (848, 23681), (901, 22288), (952, 21094), (1393, 14416), (1484, 13532), (1592, 12614), (1802, 11144), (1904, 10547), (2786, 7208), (2968, 6766), (3184, 6307), (3383, 5936), (3604, 5572)]