20406203420

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{6757021}}^1$

素因数の和:6757181

約数の個数: 24

約数和(自身を含む): 43136828448

約数和(自身を除く): 22730625028

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 6757021, 13514042, 27028084, 33785105, 67570210, 135140420, 1020310171, 2040620342, 4081240684, 5101550855, 10203101710, 20406203420]

約数ペア:

[(1, 20406203420), (2, 10203101710), (4, 5101550855), (5, 4081240684), (10, 2040620342), (20, 1020310171), (151, 135140420), (302, 67570210), (604, 33785105), (755, 27028084), (1510, 13514042), (3020, 6757021)]