20744969968

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{491}}^1$

素因数の和:695

約数の個数: 160

約数和(自身を含む): 45067829760

約数和(自身を除く): 24322859792

約数列:

[1, 2, 4, 8, 16, 23, 29, 37, 46, 58, 74, 92, 107, 116, 148, 184, 214, 232, 296, 368, 428, 464, 491, 592, 667, 851, 856, 982, 1073, 1334, 1702, 1712, 1964, 2146, 2461, 2668, 3103, 3404, 3928, 3959, 4292, 4922, 5336, 6206, 6808, 7856, 7918, 8584, 9844, 10672, 11293, 12412, 13616, 14239, 15836, 17168, 18167, 19688, 22586, 24679, 24824, 28478, 31672, 36334, 39376, 45172, 49358, 49648, 52537, 56956, 63344, 71369, 72668, 90344, 91057, 98716, 105074, 113912, 114811, 142738, 145336, 180688, 182114, 197432, 210148, 227824, 229622, 285476, 290672, 327497, 364228, 394864, 417841, 420296, 459244, 526843, 570952, 654994, 728456, 835682, 840592, 918488, 1053686, 1141904, 1208351, 1309988, 1456912, 1523573, 1671364, 1836976, 1943869, 2107372, 2416702, 2619976, 2640653, 3047146, 3342728, 3887738, 4214744, 4833404, 5239952, 5281306, 6094292, 6685456, 7775476, 8429488, 9666808, 10562612, 12117389, 12188584, 15550952, 19333616, 21125224, 24234778, 24377168, 31101904, 35042179, 42250448, 44708987, 48469556, 56372201, 70084358, 89417974, 96939112, 112744402, 140168716, 178835948, 193878224, 225488804, 280337432, 357671896, 450977608, 560674864, 715343792, 901955216, 1296560623, 2593121246, 5186242492, 10372484984, 20744969968]

約数ペア:

[(1, 20744969968), (2, 10372484984), (4, 5186242492), (8, 2593121246), (16, 1296560623), (23, 901955216), (29, 715343792), (37, 560674864), (46, 450977608), (58, 357671896), (74, 280337432), (92, 225488804), (107, 193878224), (116, 178835948), (148, 140168716), (184, 112744402), (214, 96939112), (232, 89417974), (296, 70084358), (368, 56372201), (428, 48469556), (464, 44708987), (491, 42250448), (592, 35042179), (667, 31101904), (851, 24377168), (856, 24234778), (982, 21125224), (1073, 19333616), (1334, 15550952), (1702, 12188584), (1712, 12117389), (1964, 10562612), (2146, 9666808), (2461, 8429488), (2668, 7775476), (3103, 6685456), (3404, 6094292), (3928, 5281306), (3959, 5239952), (4292, 4833404), (4922, 4214744), (5336, 3887738), (6206, 3342728), (6808, 3047146), (7856, 2640653), (7918, 2619976), (8584, 2416702), (9844, 2107372), (10672, 1943869), (11293, 1836976), (12412, 1671364), (13616, 1523573), (14239, 1456912), (15836, 1309988), (17168, 1208351), (18167, 1141904), (19688, 1053686), (22586, 918488), (24679, 840592), (24824, 835682), (28478, 728456), (31672, 654994), (36334, 570952), (39376, 526843), (45172, 459244), (49358, 420296), (49648, 417841), (52537, 394864), (56956, 364228), (63344, 327497), (71369, 290672), (72668, 285476), (90344, 229622), (91057, 227824), (98716, 210148), (105074, 197432), (113912, 182114), (114811, 180688), (142738, 145336)]