20425170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{2531}}^1$

素因数の和:2810

約数の個数: 32

約数和(自身を含む): 49222080

約数和(自身を除く): 28796910

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 269, 538, 807, 1345, 1614, 2531, 2690, 4035, 5062, 7593, 8070, 12655, 15186, 25310, 37965, 75930, 680839, 1361678, 2042517, 3404195, 4085034, 6808390, 10212585, 20425170]

約数ペア:

[(1, 20425170), (2, 10212585), (3, 6808390), (5, 4085034), (6, 3404195), (10, 2042517), (15, 1361678), (30, 680839), (269, 75930), (538, 37965), (807, 25310), (1345, 15186), (1614, 12655), (2531, 8070), (2690, 7593), (4035, 5062)]