20445345

素因数分解:

$3^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{563}}^1$

素因数の和:846

約数の個数: 32

約数和(自身を含む): 36547200

約数和(自身を除く): 16101855

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 269, 563, 807, 1345, 1689, 2421, 2815, 4035, 5067, 7263, 8445, 12105, 15201, 25335, 36315, 76005, 151447, 454341, 757235, 1363023, 2271705, 4089069, 6815115, 20445345]

約数ペア:

[(1, 20445345), (3, 6815115), (5, 4089069), (9, 2271705), (15, 1363023), (27, 757235), (45, 454341), (135, 151447), (269, 76005), (563, 36315), (807, 25335), (1345, 15201), (1689, 12105), (2421, 8445), (2815, 7263), (4035, 5067)]