20619872

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:200

約数の個数: 96

約数和(自身を含む): 51170112

約数和(自身を除く): 30550240

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 73, 91, 97, 104, 112, 146, 182, 194, 208, 224, 292, 364, 388, 416, 511, 584, 679, 728, 776, 949, 1022, 1168, 1261, 1358, 1456, 1552, 1898, 2044, 2336, 2522, 2716, 2912, 3104, 3796, 4088, 5044, 5432, 6643, 7081, 7592, 8176, 8827, 10088, 10864, 13286, 14162, 15184, 16352, 17654, 20176, 21728, 26572, 28324, 30368, 35308, 40352, 49567, 53144, 56648, 70616, 92053, 99134, 106288, 113296, 141232, 184106, 198268, 212576, 226592, 282464, 368212, 396536, 644371, 736424, 793072, 1288742, 1472848, 1586144, 2577484, 2945696, 5154968, 10309936, 20619872]

約数ペア:

[(1, 20619872), (2, 10309936), (4, 5154968), (7, 2945696), (8, 2577484), (13, 1586144), (14, 1472848), (16, 1288742), (26, 793072), (28, 736424), (32, 644371), (52, 396536), (56, 368212), (73, 282464), (91, 226592), (97, 212576), (104, 198268), (112, 184106), (146, 141232), (182, 113296), (194, 106288), (208, 99134), (224, 92053), (292, 70616), (364, 56648), (388, 53144), (416, 49567), (511, 40352), (584, 35308), (679, 30368), (728, 28324), (776, 26572), (949, 21728), (1022, 20176), (1168, 17654), (1261, 16352), (1358, 15184), (1456, 14162), (1552, 13286), (1898, 10864), (2044, 10088), (2336, 8827), (2522, 8176), (2716, 7592), (2912, 7081), (3104, 6643), (3796, 5432), (4088, 5044)]