20749035

素因数分解:

$3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{6203}}^1$

素因数の和:6434

約数の個数: 16

約数和(自身を含む): 33352704

約数和(自身を除く): 12603669

約数列:

[1, 3, 5, 15, 223, 669, 1115, 3345, 6203, 18609, 31015, 93045, 1383269, 4149807, 6916345, 20749035]

約数ペア:

[(1, 20749035), (3, 6916345), (5, 4149807), (15, 1383269), (223, 93045), (669, 31015), (1115, 18609), (3345, 6203)]