20216403840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{457799}}^1$

素因数の和:457844

約数の個数: 128

約数和(自身を含む): 67241664000

約数和(自身を除く): 47025260160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 276, 320, 345, 368, 384, 460, 480, 552, 640, 690, 736, 920, 960, 1104, 1380, 1472, 1840, 1920, 2208, 2760, 2944, 3680, 4416, 5520, 7360, 8832, 11040, 14720, 22080, 44160, 457799, 915598, 1373397, 1831196, 2288995, 2746794, 3662392, 4577990, 5493588, 6866985, 7324784, 9155980, 10529377, 10987176, 13733970, 14649568, 18311960, 21058754, 21974352, 27467940, 29299136, 31588131, 36623920, 42117508, 43948704, 52646885, 54935880, 58598272, 63176262, 73247840, 84235016, 87897408, 105293770, 109871760, 126352524, 146495680, 157940655, 168470032, 175794816, 210587540, 219743520, 252705048, 292991360, 315881310, 336940064, 421175080, 439487040, 505410096, 631762620, 673880128, 842350160, 878974080, 1010820192, 1263525240, 1347760256, 1684700320, 2021640384, 2527050480, 3369400640, 4043280768, 5054100960, 6738801280, 10108201920, 20216403840]

約数ペア:

[(1, 20216403840), (2, 10108201920), (3, 6738801280), (4, 5054100960), (5, 4043280768), (6, 3369400640), (8, 2527050480), (10, 2021640384), (12, 1684700320), (15, 1347760256), (16, 1263525240), (20, 1010820192), (23, 878974080), (24, 842350160), (30, 673880128), (32, 631762620), (40, 505410096), (46, 439487040), (48, 421175080), (60, 336940064), (64, 315881310), (69, 292991360), (80, 252705048), (92, 219743520), (96, 210587540), (115, 175794816), (120, 168470032), (128, 157940655), (138, 146495680), (160, 126352524), (184, 109871760), (192, 105293770), (230, 87897408), (240, 84235016), (276, 73247840), (320, 63176262), (345, 58598272), (368, 54935880), (384, 52646885), (460, 43948704), (480, 42117508), (552, 36623920), (640, 31588131), (690, 29299136), (736, 27467940), (920, 21974352), (960, 21058754), (1104, 18311960), (1380, 14649568), (1472, 13733970), (1840, 10987176), (1920, 10529377), (2208, 9155980), (2760, 7324784), (2944, 6866985), (3680, 5493588), (4416, 4577990), (5520, 3662392), (7360, 2746794), (8832, 2288995), (11040, 1831196), (14720, 1373397), (22080, 915598), (44160, 457799)]