20763120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{727}}^1$

素因数の和:767

約数の個数: 160

約数和(自身を含む): 77995008

約数和(自身を除く): 57231888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 102, 105, 112, 119, 120, 136, 140, 168, 170, 204, 210, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 510, 560, 595, 680, 714, 727, 816, 840, 952, 1020, 1190, 1360, 1428, 1454, 1680, 1785, 1904, 2040, 2181, 2380, 2856, 2908, 3570, 3635, 4080, 4362, 4760, 5089, 5712, 5816, 7140, 7270, 8724, 9520, 10178, 10905, 11632, 12359, 14280, 14540, 15267, 17448, 20356, 21810, 24718, 25445, 28560, 29080, 30534, 34896, 37077, 40712, 43620, 49436, 50890, 58160, 61068, 61795, 74154, 76335, 81424, 86513, 87240, 98872, 101780, 122136, 123590, 148308, 152670, 173026, 174480, 185385, 197744, 203560, 244272, 247180, 259539, 296616, 305340, 346052, 370770, 407120, 432565, 494360, 519078, 593232, 610680, 692104, 741540, 865130, 988720, 1038156, 1221360, 1297695, 1384208, 1483080, 1730260, 2076312, 2595390, 2966160, 3460520, 4152624, 5190780, 6921040, 10381560, 20763120]

約数ペア:

[(1, 20763120), (2, 10381560), (3, 6921040), (4, 5190780), (5, 4152624), (6, 3460520), (7, 2966160), (8, 2595390), (10, 2076312), (12, 1730260), (14, 1483080), (15, 1384208), (16, 1297695), (17, 1221360), (20, 1038156), (21, 988720), (24, 865130), (28, 741540), (30, 692104), (34, 610680), (35, 593232), (40, 519078), (42, 494360), (48, 432565), (51, 407120), (56, 370770), (60, 346052), (68, 305340), (70, 296616), (80, 259539), (84, 247180), (85, 244272), (102, 203560), (105, 197744), (112, 185385), (119, 174480), (120, 173026), (136, 152670), (140, 148308), (168, 123590), (170, 122136), (204, 101780), (210, 98872), (238, 87240), (240, 86513), (255, 81424), (272, 76335), (280, 74154), (336, 61795), (340, 61068), (357, 58160), (408, 50890), (420, 49436), (476, 43620), (510, 40712), (560, 37077), (595, 34896), (680, 30534), (714, 29080), (727, 28560), (816, 25445), (840, 24718), (952, 21810), (1020, 20356), (1190, 17448), (1360, 15267), (1428, 14540), (1454, 14280), (1680, 12359), (1785, 11632), (1904, 10905), (2040, 10178), (2181, 9520), (2380, 8724), (2856, 7270), (2908, 7140), (3570, 5816), (3635, 5712), (4080, 5089), (4362, 4760)]