20048816

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{487}}^1$

素因数の和:609

約数の個数: 40

約数和(自身を含む): 40664064

約数和(自身を除く): 20615248

約数列:

[1, 2, 4, 8, 16, 31, 62, 83, 124, 166, 248, 332, 487, 496, 664, 974, 1328, 1948, 2573, 3896, 5146, 7792, 10292, 15097, 20584, 30194, 40421, 41168, 60388, 80842, 120776, 161684, 241552, 323368, 646736, 1253051, 2506102, 5012204, 10024408, 20048816]

約数ペア:

[(1, 20048816), (2, 10024408), (4, 5012204), (8, 2506102), (16, 1253051), (31, 646736), (62, 323368), (83, 241552), (124, 161684), (166, 120776), (248, 80842), (332, 60388), (487, 41168), (496, 40421), (664, 30194), (974, 20584), (1328, 15097), (1948, 10292), (2573, 7792), (3896, 5146)]