20884917120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{205237}}^1$

素因数の和:205312

約数の個数: 128

約数和(自身を含む): 67827054240

約数和(自身を除く): 46942137120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 64, 80, 96, 106, 120, 128, 159, 160, 192, 212, 240, 265, 318, 320, 384, 424, 480, 530, 636, 640, 795, 848, 960, 1060, 1272, 1590, 1696, 1920, 2120, 2544, 3180, 3392, 4240, 5088, 6360, 6784, 8480, 10176, 12720, 16960, 20352, 25440, 33920, 50880, 101760, 205237, 410474, 615711, 820948, 1026185, 1231422, 1641896, 2052370, 2462844, 3078555, 3283792, 4104740, 4925688, 6157110, 6567584, 8209480, 9851376, 10877561, 12314220, 13135168, 16418960, 19702752, 21755122, 24628440, 26270336, 32632683, 32837920, 39405504, 43510244, 49256880, 54387805, 65265366, 65675840, 78811008, 87020488, 98513760, 108775610, 130530732, 131351680, 163163415, 174040976, 197027520, 217551220, 261061464, 326326830, 348081952, 394055040, 435102440, 522122928, 652653660, 696163904, 870204880, 1044245856, 1305307320, 1392327808, 1740409760, 2088491712, 2610614640, 3480819520, 4176983424, 5221229280, 6961639040, 10442458560, 20884917120]

約数ペア:

[(1, 20884917120), (2, 10442458560), (3, 6961639040), (4, 5221229280), (5, 4176983424), (6, 3480819520), (8, 2610614640), (10, 2088491712), (12, 1740409760), (15, 1392327808), (16, 1305307320), (20, 1044245856), (24, 870204880), (30, 696163904), (32, 652653660), (40, 522122928), (48, 435102440), (53, 394055040), (60, 348081952), (64, 326326830), (80, 261061464), (96, 217551220), (106, 197027520), (120, 174040976), (128, 163163415), (159, 131351680), (160, 130530732), (192, 108775610), (212, 98513760), (240, 87020488), (265, 78811008), (318, 65675840), (320, 65265366), (384, 54387805), (424, 49256880), (480, 43510244), (530, 39405504), (636, 32837920), (640, 32632683), (795, 26270336), (848, 24628440), (960, 21755122), (1060, 19702752), (1272, 16418960), (1590, 13135168), (1696, 12314220), (1920, 10877561), (2120, 9851376), (2544, 8209480), (3180, 6567584), (3392, 6157110), (4240, 4925688), (5088, 4104740), (6360, 3283792), (6784, 3078555), (8480, 2462844), (10176, 2052370), (12720, 1641896), (16960, 1231422), (20352, 1026185), (25440, 820948), (33920, 615711), (50880, 410474), (101760, 205237)]