20160956984

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2590051}}^1$

素因数の和:2590203

約数の個数: 32

約数和(自身を含む): 43512873600

約数和(自身を除く): 23351916616

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 3892, 7784, 2590051, 5180102, 10360204, 18130357, 20720408, 36260714, 72521428, 145042856, 360017089, 720034178, 1440068356, 2520119623, 2880136712, 5040239246, 10080478492, 20160956984]

約数ペア:

[(1, 20160956984), (2, 10080478492), (4, 5040239246), (7, 2880136712), (8, 2520119623), (14, 1440068356), (28, 720034178), (56, 360017089), (139, 145042856), (278, 72521428), (556, 36260714), (973, 20720408), (1112, 18130357), (1946, 10360204), (3892, 5180102), (7784, 2590051)]