20440890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{75707}}^1$

素因数の和:75723

約数の個数: 32

約数和(自身を含む): 54509760

約数和(自身を除く): 34068870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 75707, 151414, 227121, 378535, 454242, 681363, 757070, 1135605, 1362726, 2044089, 2271210, 3406815, 4088178, 6813630, 10220445, 20440890]

約数ペア:

[(1, 20440890), (2, 10220445), (3, 6813630), (5, 4088178), (6, 3406815), (9, 2271210), (10, 2044089), (15, 1362726), (18, 1135605), (27, 757070), (30, 681363), (45, 454242), (54, 378535), (90, 227121), (135, 151414), (270, 75707)]