23520920

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{6607}}^1$

素因数の和:6707

約数の個数: 32

約数和(自身を含む): 53524800

約数和(自身を除く): 30003880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 6607, 13214, 26428, 33035, 52856, 66070, 132140, 264280, 588023, 1176046, 2352092, 2940115, 4704184, 5880230, 11760460, 23520920]

約数ペア:

[(1, 23520920), (2, 11760460), (4, 5880230), (5, 4704184), (8, 2940115), (10, 2352092), (20, 1176046), (40, 588023), (89, 264280), (178, 132140), (356, 66070), (445, 52856), (712, 33035), (890, 26428), (1780, 13214), (3560, 6607)]