20804451840

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{902971}}^1$

素因数の和:903000

約数の個数: 120

約数和(自身を含む): 72051747768

約数和(自身を除く): 51247295928

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3840, 4608, 5760, 7680, 11520, 23040, 902971, 1805942, 2708913, 3611884, 4514855, 5417826, 7223768, 8126739, 9029710, 10835652, 13544565, 14447536, 16253478, 18059420, 21671304, 27089130, 28895072, 32506956, 36118840, 40633695, 43342608, 54178260, 57790144, 65013912, 72237680, 81267390, 86685216, 108356520, 115580288, 130027824, 144475360, 162534780, 173370432, 216713040, 231160576, 260055648, 288950720, 325069560, 346740864, 433426080, 462321152, 520111296, 577901440, 650139120, 693481728, 866852160, 1040222592, 1155802880, 1300278240, 1386963456, 1733704320, 2080445184, 2311605760, 2600556480, 3467408640, 4160890368, 5201112960, 6934817280, 10402225920, 20804451840]

約数ペア:

[(1, 20804451840), (2, 10402225920), (3, 6934817280), (4, 5201112960), (5, 4160890368), (6, 3467408640), (8, 2600556480), (9, 2311605760), (10, 2080445184), (12, 1733704320), (15, 1386963456), (16, 1300278240), (18, 1155802880), (20, 1040222592), (24, 866852160), (30, 693481728), (32, 650139120), (36, 577901440), (40, 520111296), (45, 462321152), (48, 433426080), (60, 346740864), (64, 325069560), (72, 288950720), (80, 260055648), (90, 231160576), (96, 216713040), (120, 173370432), (128, 162534780), (144, 144475360), (160, 130027824), (180, 115580288), (192, 108356520), (240, 86685216), (256, 81267390), (288, 72237680), (320, 65013912), (360, 57790144), (384, 54178260), (480, 43342608), (512, 40633695), (576, 36118840), (640, 32506956), (720, 28895072), (768, 27089130), (960, 21671304), (1152, 18059420), (1280, 16253478), (1440, 14447536), (1536, 13544565), (1920, 10835652), (2304, 9029710), (2560, 8126739), (2880, 7223768), (3840, 5417826), (4608, 4514855), (5760, 3611884), (7680, 2708913), (11520, 1805942), (23040, 902971)]