20921318496

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^2\times {\mathrm{143281}}^1$

素因数の和:143326

約数の個数: 144

約数和(自身を含む): 66075927120

約数和(自身を除く): 45154608624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 96, 104, 108, 117, 144, 156, 169, 208, 216, 234, 288, 312, 338, 351, 416, 432, 468, 507, 624, 676, 702, 864, 936, 1014, 1248, 1352, 1404, 1521, 1872, 2028, 2704, 2808, 3042, 3744, 4056, 4563, 5408, 5616, 6084, 8112, 9126, 11232, 12168, 16224, 18252, 24336, 36504, 48672, 73008, 143281, 146016, 286562, 429843, 573124, 859686, 1146248, 1289529, 1719372, 1862653, 2292496, 2579058, 3438744, 3725306, 3868587, 4584992, 5158116, 5587959, 6877488, 7450612, 7737174, 10316232, 11175918, 13754976, 14901224, 15474348, 16763877, 20632464, 22351836, 24214489, 29802448, 30948696, 33527754, 41264928, 44703672, 48428978, 50291631, 59604896, 61897392, 67055508, 72643467, 89407344, 96857956, 100583262, 123794784, 134111016, 145286934, 178814688, 193715912, 201166524, 217930401, 268222032, 290573868, 387431824, 402333048, 435860802, 536444064, 581147736, 653791203, 774863648, 804666096, 871721604, 1162295472, 1307582406, 1609332192, 1743443208, 2324590944, 2615164812, 3486886416, 5230329624, 6973772832, 10460659248, 20921318496]

約数ペア:

[(1, 20921318496), (2, 10460659248), (3, 6973772832), (4, 5230329624), (6, 3486886416), (8, 2615164812), (9, 2324590944), (12, 1743443208), (13, 1609332192), (16, 1307582406), (18, 1162295472), (24, 871721604), (26, 804666096), (27, 774863648), (32, 653791203), (36, 581147736), (39, 536444064), (48, 435860802), (52, 402333048), (54, 387431824), (72, 290573868), (78, 268222032), (96, 217930401), (104, 201166524), (108, 193715912), (117, 178814688), (144, 145286934), (156, 134111016), (169, 123794784), (208, 100583262), (216, 96857956), (234, 89407344), (288, 72643467), (312, 67055508), (338, 61897392), (351, 59604896), (416, 50291631), (432, 48428978), (468, 44703672), (507, 41264928), (624, 33527754), (676, 30948696), (702, 29802448), (864, 24214489), (936, 22351836), (1014, 20632464), (1248, 16763877), (1352, 15474348), (1404, 14901224), (1521, 13754976), (1872, 11175918), (2028, 10316232), (2704, 7737174), (2808, 7450612), (3042, 6877488), (3744, 5587959), (4056, 5158116), (4563, 4584992), (5408, 3868587), (5616, 3725306), (6084, 3438744), (8112, 2579058), (9126, 2292496), (11232, 1862653), (12168, 1719372), (16224, 1289529), (18252, 1146248), (24336, 859686), (36504, 573124), (48672, 429843), (73008, 286562), (143281, 146016)]