20445075

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{4327}}^1$

素因数の和:4353

約数の個数: 48

約数和(自身を含む): 42933760

約数和(自身を除く): 22488685

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 525, 675, 945, 1575, 4327, 4725, 12981, 21635, 30289, 38943, 64905, 90867, 108175, 116829, 151445, 194715, 272601, 324525, 454335, 584145, 757225, 817803, 973575, 1363005, 2271675, 2920725, 4089015, 6815025, 20445075]

約数ペア:

[(1, 20445075), (3, 6815025), (5, 4089015), (7, 2920725), (9, 2271675), (15, 1363005), (21, 973575), (25, 817803), (27, 757225), (35, 584145), (45, 454335), (63, 324525), (75, 272601), (105, 194715), (135, 151445), (175, 116829), (189, 108175), (225, 90867), (315, 64905), (525, 38943), (675, 30289), (945, 21635), (1575, 12981), (4327, 4725)]