20664870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{18617}}^1$

素因数の和:18664

約数の個数: 32

約数和(自身を含む): 50938848

約数和(自身を除く): 30273978

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 18617, 37234, 55851, 93085, 111702, 186170, 279255, 558510, 688829, 1377658, 2066487, 3444145, 4132974, 6888290, 10332435, 20664870]

約数ペア:

[(1, 20664870), (2, 10332435), (3, 6888290), (5, 4132974), (6, 3444145), (10, 2066487), (15, 1377658), (30, 688829), (37, 558510), (74, 279255), (111, 186170), (185, 111702), (222, 93085), (370, 55851), (555, 37234), (1110, 18617)]