20581890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{98009}}^1$

素因数の和:98026

約数の個数: 32

約数和(自身を含む): 56453760

約数和(自身を除く): 35871870

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 98009, 196018, 294027, 490045, 588054, 686063, 980090, 1372126, 1470135, 2058189, 2940270, 3430315, 4116378, 6860630, 10290945, 20581890]

約数ペア:

[(1, 20581890), (2, 10290945), (3, 6860630), (5, 4116378), (6, 3430315), (7, 2940270), (10, 2058189), (14, 1470135), (15, 1372126), (21, 980090), (30, 686063), (35, 588054), (42, 490045), (70, 294027), (105, 196018), (210, 98009)]