20349159376

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{450841}}^1$

素因数の和:450900

約数の個数: 80

約数和(自身を含む): 50090349568

約数和(自身を除く): 29741190192

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 248, 364, 403, 434, 496, 728, 806, 868, 1456, 1612, 1736, 2821, 3224, 3472, 5642, 6448, 11284, 22568, 45136, 450841, 901682, 1803364, 3155887, 3606728, 5860933, 6311774, 7213456, 11721866, 12623548, 13976071, 23443732, 25247096, 27952142, 41026531, 46887464, 50494192, 55904284, 82053062, 93774928, 97832497, 111808568, 164106124, 181688923, 195664994, 223617136, 328212248, 363377846, 391329988, 656424496, 726755692, 782659976, 1271822461, 1453511384, 1565319952, 2543644922, 2907022768, 5087289844, 10174579688, 20349159376]

約数ペア:

[(1, 20349159376), (2, 10174579688), (4, 5087289844), (7, 2907022768), (8, 2543644922), (13, 1565319952), (14, 1453511384), (16, 1271822461), (26, 782659976), (28, 726755692), (31, 656424496), (52, 391329988), (56, 363377846), (62, 328212248), (91, 223617136), (104, 195664994), (112, 181688923), (124, 164106124), (182, 111808568), (208, 97832497), (217, 93774928), (248, 82053062), (364, 55904284), (403, 50494192), (434, 46887464), (496, 41026531), (728, 27952142), (806, 25247096), (868, 23443732), (1456, 13976071), (1612, 12623548), (1736, 11721866), (2821, 7213456), (3224, 6311774), (3472, 5860933), (5642, 3606728), (6448, 3155887), (11284, 1803364), (22568, 901682), (45136, 450841)]