20853870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{30223}}^1$

素因数の和:30256

約数の個数: 32

約数和(自身を含む): 52227072

約数和(自身を除く): 31373202

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 30223, 60446, 90669, 151115, 181338, 302230, 453345, 695129, 906690, 1390258, 2085387, 3475645, 4170774, 6951290, 10426935, 20853870]

約数ペア:

[(1, 20853870), (2, 10426935), (3, 6951290), (5, 4170774), (6, 3475645), (10, 2085387), (15, 1390258), (23, 906690), (30, 695129), (46, 453345), (69, 302230), (115, 181338), (138, 151115), (230, 90669), (345, 60446), (690, 30223)]