20197780904

素因数分解:

$2^3\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1888349}}^1$

素因数の和:1888553

約数の個数: 32

約数和(自身を含む): 43507584000

約数和(自身を除く): 23309803096

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 191, 382, 764, 1337, 1528, 2674, 5348, 10696, 1888349, 3776698, 7553396, 13218443, 15106792, 26436886, 52873772, 105747544, 360674659, 721349318, 1442698636, 2524722613, 2885397272, 5049445226, 10098890452, 20197780904]

約数ペア:

[(1, 20197780904), (2, 10098890452), (4, 5049445226), (7, 2885397272), (8, 2524722613), (14, 1442698636), (28, 721349318), (56, 360674659), (191, 105747544), (382, 52873772), (764, 26436886), (1337, 15106792), (1528, 13218443), (2674, 7553396), (5348, 3776698), (10696, 1888349)]