20609100

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{449}}^1$

素因数の和:489

約数の個数: 144

約数和(自身を含む): 70308000

約数和(自身を除く): 49698900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 27, 30, 34, 36, 45, 50, 51, 54, 60, 68, 75, 85, 90, 100, 102, 108, 135, 150, 153, 170, 180, 204, 225, 255, 270, 300, 306, 340, 425, 449, 450, 459, 510, 540, 612, 675, 765, 850, 898, 900, 918, 1020, 1275, 1347, 1350, 1530, 1700, 1796, 1836, 2245, 2295, 2550, 2694, 2700, 3060, 3825, 4041, 4490, 4590, 5100, 5388, 6735, 7633, 7650, 8082, 8980, 9180, 11225, 11475, 12123, 13470, 15266, 15300, 16164, 20205, 22450, 22899, 22950, 24246, 26940, 30532, 33675, 38165, 40410, 44900, 45798, 45900, 48492, 60615, 67350, 68697, 76330, 80820, 91596, 101025, 114495, 121230, 134700, 137394, 152660, 190825, 202050, 206091, 228990, 242460, 274788, 303075, 343485, 381650, 404100, 412182, 457980, 572475, 606150, 686970, 763300, 824364, 1030455, 1144950, 1212300, 1373940, 1717425, 2060910, 2289900, 3434850, 4121820, 5152275, 6869700, 10304550, 20609100]

約数ペア:

[(1, 20609100), (2, 10304550), (3, 6869700), (4, 5152275), (5, 4121820), (6, 3434850), (9, 2289900), (10, 2060910), (12, 1717425), (15, 1373940), (17, 1212300), (18, 1144950), (20, 1030455), (25, 824364), (27, 763300), (30, 686970), (34, 606150), (36, 572475), (45, 457980), (50, 412182), (51, 404100), (54, 381650), (60, 343485), (68, 303075), (75, 274788), (85, 242460), (90, 228990), (100, 206091), (102, 202050), (108, 190825), (135, 152660), (150, 137394), (153, 134700), (170, 121230), (180, 114495), (204, 101025), (225, 91596), (255, 80820), (270, 76330), (300, 68697), (306, 67350), (340, 60615), (425, 48492), (449, 45900), (450, 45798), (459, 44900), (510, 40410), (540, 38165), (612, 33675), (675, 30532), (765, 26940), (850, 24246), (898, 22950), (900, 22899), (918, 22450), (1020, 20205), (1275, 16164), (1347, 15300), (1350, 15266), (1530, 13470), (1700, 12123), (1796, 11475), (1836, 11225), (2245, 9180), (2295, 8980), (2550, 8082), (2694, 7650), (2700, 7633), (3060, 6735), (3825, 5388), (4041, 5100), (4490, 4590)]