20462715

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:313

約数の個数: 96

約数和(自身を含む): 46126080

約数和(自身を除く): 25663365

約数列:

[1, 3, 5, 7, 9, 13, 15, 19, 21, 35, 39, 45, 57, 63, 65, 91, 95, 105, 117, 133, 171, 195, 247, 263, 273, 285, 315, 399, 455, 585, 665, 741, 789, 819, 855, 1197, 1235, 1315, 1365, 1729, 1841, 1995, 2223, 2367, 3419, 3705, 3945, 4095, 4997, 5187, 5523, 5985, 8645, 9205, 10257, 11115, 11835, 14991, 15561, 16569, 17095, 23933, 24985, 25935, 27615, 30771, 34979, 44973, 51285, 64961, 71799, 74955, 77805, 82845, 104937, 119665, 153855, 174895, 194883, 215397, 224865, 314811, 324805, 358995, 454727, 524685, 584649, 974415, 1076985, 1364181, 1574055, 2273635, 2923245, 4092543, 6820905, 20462715]

約数ペア:

[(1, 20462715), (3, 6820905), (5, 4092543), (7, 2923245), (9, 2273635), (13, 1574055), (15, 1364181), (19, 1076985), (21, 974415), (35, 584649), (39, 524685), (45, 454727), (57, 358995), (63, 324805), (65, 314811), (91, 224865), (95, 215397), (105, 194883), (117, 174895), (133, 153855), (171, 119665), (195, 104937), (247, 82845), (263, 77805), (273, 74955), (285, 71799), (315, 64961), (399, 51285), (455, 44973), (585, 34979), (665, 30771), (741, 27615), (789, 25935), (819, 24985), (855, 23933), (1197, 17095), (1235, 16569), (1315, 15561), (1365, 14991), (1729, 11835), (1841, 11115), (1995, 10257), (2223, 9205), (2367, 8645), (3419, 5985), (3705, 5523), (3945, 5187), (4095, 4997)]