20301008

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:292

約数の個数: 80

約数和(自身を含む): 49330176

約数和(自身を除く): 29029168

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 73, 91, 104, 112, 146, 182, 191, 208, 292, 364, 382, 511, 584, 728, 764, 949, 1022, 1168, 1337, 1456, 1528, 1898, 2044, 2483, 2674, 3056, 3796, 4088, 4966, 5348, 6643, 7592, 8176, 9932, 10696, 13286, 13943, 15184, 17381, 19864, 21392, 26572, 27886, 34762, 39728, 53144, 55772, 69524, 97601, 106288, 111544, 139048, 181259, 195202, 223088, 278096, 362518, 390404, 725036, 780808, 1268813, 1450072, 1561616, 2537626, 2900144, 5075252, 10150504, 20301008]

約数ペア:

[(1, 20301008), (2, 10150504), (4, 5075252), (7, 2900144), (8, 2537626), (13, 1561616), (14, 1450072), (16, 1268813), (26, 780808), (28, 725036), (52, 390404), (56, 362518), (73, 278096), (91, 223088), (104, 195202), (112, 181259), (146, 139048), (182, 111544), (191, 106288), (208, 97601), (292, 69524), (364, 55772), (382, 53144), (511, 39728), (584, 34762), (728, 27886), (764, 26572), (949, 21392), (1022, 19864), (1168, 17381), (1337, 15184), (1456, 13943), (1528, 13286), (1898, 10696), (2044, 9932), (2483, 8176), (2674, 7592), (3056, 6643), (3796, 5348), (4088, 4966)]