20402176004

素因数分解:

$2^2\times 7^1\times {\mathrm{631}}^1\times {\mathrm{1154753}}^1$

素因数の和:1155395

約数の個数: 24

約数和(自身を含む): 40869053568

約数和(自身を除く): 20466877564

約数列:

[1, 2, 4, 7, 14, 28, 631, 1262, 2524, 4417, 8834, 17668, 1154753, 2309506, 4619012, 8083271, 16166542, 32333084, 728649143, 1457298286, 2914596572, 5100544001, 10201088002, 20402176004]

約数ペア:

[(1, 20402176004), (2, 10201088002), (4, 5100544001), (7, 2914596572), (14, 1457298286), (28, 728649143), (631, 32333084), (1262, 16166542), (2524, 8083271), (4417, 4619012), (8834, 2309506), (17668, 1154753)]