20482875

素因数分解:

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

素因数の和:68

約数の個数: 120

約数和(自身を含む): 46359456

約数和(自身を除く): 25876581

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 25, 27, 35, 45, 51, 63, 75, 81, 85, 105, 119, 125, 135, 153, 175, 189, 225, 255, 289, 315, 357, 375, 405, 425, 459, 525, 567, 595, 675, 765, 867, 875, 945, 1071, 1125, 1275, 1377, 1445, 1575, 1785, 2023, 2025, 2125, 2295, 2601, 2625, 2835, 2975, 3213, 3375, 3825, 4335, 4725, 5355, 6069, 6375, 6885, 7225, 7803, 7875, 8925, 9639, 10115, 10125, 11475, 13005, 14175, 14875, 16065, 18207, 19125, 21675, 23409, 23625, 26775, 30345, 34425, 36125, 39015, 44625, 48195, 50575, 54621, 57375, 65025, 70875, 80325, 91035, 108375, 117045, 133875, 151725, 163863, 172125, 195075, 240975, 252875, 273105, 325125, 401625, 455175, 585225, 758625, 819315, 975375, 1204875, 1365525, 2275875, 2926125, 4096575, 6827625, 20482875]

約数ペア:

[(1, 20482875), (3, 6827625), (5, 4096575), (7, 2926125), (9, 2275875), (15, 1365525), (17, 1204875), (21, 975375), (25, 819315), (27, 758625), (35, 585225), (45, 455175), (51, 401625), (63, 325125), (75, 273105), (81, 252875), (85, 240975), (105, 195075), (119, 172125), (125, 163863), (135, 151725), (153, 133875), (175, 117045), (189, 108375), (225, 91035), (255, 80325), (289, 70875), (315, 65025), (357, 57375), (375, 54621), (405, 50575), (425, 48195), (459, 44625), (525, 39015), (567, 36125), (595, 34425), (675, 30345), (765, 26775), (867, 23625), (875, 23409), (945, 21675), (1071, 19125), (1125, 18207), (1275, 16065), (1377, 14875), (1445, 14175), (1575, 13005), (1785, 11475), (2023, 10125), (2025, 10115), (2125, 9639), (2295, 8925), (2601, 7875), (2625, 7803), (2835, 7225), (2975, 6885), (3213, 6375), (3375, 6069), (3825, 5355), (4335, 4725)]