20315340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2213}}^1$

素因数の和:2248

約数の個数: 96

約数和(自身を含む): 66951360

約数和(自身を除く): 46636020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 170, 180, 204, 255, 270, 306, 340, 459, 510, 540, 612, 765, 918, 1020, 1530, 1836, 2213, 2295, 3060, 4426, 4590, 6639, 8852, 9180, 11065, 13278, 19917, 22130, 26556, 33195, 37621, 39834, 44260, 59751, 66390, 75242, 79668, 99585, 112863, 119502, 132780, 150484, 188105, 199170, 225726, 239004, 298755, 338589, 376210, 398340, 451452, 564315, 597510, 677178, 752420, 1015767, 1128630, 1195020, 1354356, 1692945, 2031534, 2257260, 3385890, 4063068, 5078835, 6771780, 10157670, 20315340]

約数ペア:

[(1, 20315340), (2, 10157670), (3, 6771780), (4, 5078835), (5, 4063068), (6, 3385890), (9, 2257260), (10, 2031534), (12, 1692945), (15, 1354356), (17, 1195020), (18, 1128630), (20, 1015767), (27, 752420), (30, 677178), (34, 597510), (36, 564315), (45, 451452), (51, 398340), (54, 376210), (60, 338589), (68, 298755), (85, 239004), (90, 225726), (102, 199170), (108, 188105), (135, 150484), (153, 132780), (170, 119502), (180, 112863), (204, 99585), (255, 79668), (270, 75242), (306, 66390), (340, 59751), (459, 44260), (510, 39834), (540, 37621), (612, 33195), (765, 26556), (918, 22130), (1020, 19917), (1530, 13278), (1836, 11065), (2213, 9180), (2295, 8852), (3060, 6639), (4426, 4590)]