20986416

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13249}}^1$

素因数の和:13274

約数の個数: 60

約数和(自身を含む): 64077000

約数和(自身を除く): 43090584

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 264, 396, 528, 792, 1584, 13249, 26498, 39747, 52996, 79494, 105992, 119241, 145739, 158988, 211984, 238482, 291478, 317976, 437217, 476964, 582956, 635952, 874434, 953928, 1165912, 1311651, 1748868, 1907856, 2331824, 2623302, 3497736, 5246604, 6995472, 10493208, 20986416]

約数ペア:

[(1, 20986416), (2, 10493208), (3, 6995472), (4, 5246604), (6, 3497736), (8, 2623302), (9, 2331824), (11, 1907856), (12, 1748868), (16, 1311651), (18, 1165912), (22, 953928), (24, 874434), (33, 635952), (36, 582956), (44, 476964), (48, 437217), (66, 317976), (72, 291478), (88, 238482), (99, 211984), (132, 158988), (144, 145739), (176, 119241), (198, 105992), (264, 79494), (396, 52996), (528, 39747), (792, 26498), (1584, 13249)]