20261567120

素因数分解:

$2^4\times 5^1\times {\mathrm{253269589}}^1$

素因数の和:253269602

約数の個数: 20

約数和(自身を含む): 47108143740

約数和(自身を除く): 26846576620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 253269589, 506539178, 1013078356, 1266347945, 2026156712, 2532695890, 4052313424, 5065391780, 10130783560, 20261567120]

約数ペア:

[(1, 20261567120), (2, 10130783560), (4, 5065391780), (5, 4052313424), (8, 2532695890), (10, 2026156712), (16, 1266347945), (20, 1013078356), (40, 506539178), (80, 253269589)]