20523117825

素因数分解:

$3^6\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9463}}^1$

素因数の和:9515

約数の個数: 168

約数和(自身を含む): 46176294528

約数和(自身を除く): 25653176703

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 25, 27, 35, 45, 51, 63, 75, 81, 85, 105, 119, 135, 153, 175, 189, 225, 243, 255, 315, 357, 405, 425, 459, 525, 567, 595, 675, 729, 765, 945, 1071, 1215, 1275, 1377, 1575, 1701, 1785, 2025, 2295, 2835, 2975, 3213, 3645, 3825, 4131, 4725, 5103, 5355, 6075, 6885, 8505, 8925, 9463, 9639, 11475, 12393, 14175, 16065, 18225, 20655, 25515, 26775, 28389, 28917, 34425, 42525, 47315, 48195, 61965, 66241, 80325, 85167, 86751, 103275, 127575, 141945, 144585, 160871, 198723, 236575, 240975, 255501, 309825, 331205, 425835, 433755, 482613, 596169, 709725, 722925, 766503, 804355, 993615, 1126097, 1277505, 1447839, 1656025, 1788507, 2129175, 2168775, 2299509, 2413065, 2980845, 3378291, 3832515, 4021775, 4343517, 4968075, 5365521, 5630485, 6387525, 6898527, 7239195, 8942535, 10134873, 11497545, 12065325, 13030551, 14904225, 16096563, 16891455, 19162575, 21717585, 26827605, 28152425, 30404619, 34492635, 36195975, 39091653, 44712675, 48289689, 50674365, 57487725, 65152755, 80482815, 84457275, 91213857, 108587925, 117274959, 134138025, 152023095, 172463175, 195458265, 241448445, 253371825, 273641571, 325763775, 402414075, 456069285, 586374795, 760115475, 820924713, 977291325, 1207242225, 1368207855, 2280346425, 2931873975, 4104623565, 6841039275, 20523117825]

約数ペア:

[(1, 20523117825), (3, 6841039275), (5, 4104623565), (7, 2931873975), (9, 2280346425), (15, 1368207855), (17, 1207242225), (21, 977291325), (25, 820924713), (27, 760115475), (35, 586374795), (45, 456069285), (51, 402414075), (63, 325763775), (75, 273641571), (81, 253371825), (85, 241448445), (105, 195458265), (119, 172463175), (135, 152023095), (153, 134138025), (175, 117274959), (189, 108587925), (225, 91213857), (243, 84457275), (255, 80482815), (315, 65152755), (357, 57487725), (405, 50674365), (425, 48289689), (459, 44712675), (525, 39091653), (567, 36195975), (595, 34492635), (675, 30404619), (729, 28152425), (765, 26827605), (945, 21717585), (1071, 19162575), (1215, 16891455), (1275, 16096563), (1377, 14904225), (1575, 13030551), (1701, 12065325), (1785, 11497545), (2025, 10134873), (2295, 8942535), (2835, 7239195), (2975, 6898527), (3213, 6387525), (3645, 5630485), (3825, 5365521), (4131, 4968075), (4725, 4343517), (5103, 4021775), (5355, 3832515), (6075, 3378291), (6885, 2980845), (8505, 2413065), (8925, 2299509), (9463, 2168775), (9639, 2129175), (11475, 1788507), (12393, 1656025), (14175, 1447839), (16065, 1277505), (18225, 1126097), (20655, 993615), (25515, 804355), (26775, 766503), (28389, 722925), (28917, 709725), (34425, 596169), (42525, 482613), (47315, 433755), (48195, 425835), (61965, 331205), (66241, 309825), (80325, 255501), (85167, 240975), (86751, 236575), (103275, 198723), (127575, 160871), (141945, 144585)]