20333355

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{983}}^1$

素因数の和:1195

約数の個数: 32

約数和(自身を含む): 37407744

約数和(自身を除く): 17074389

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 197, 591, 983, 985, 1379, 2949, 2955, 4137, 4915, 6881, 6895, 14745, 20643, 20685, 34405, 103215, 193651, 580953, 968255, 1355557, 2904765, 4066671, 6777785, 20333355]

約数ペア:

[(1, 20333355), (3, 6777785), (5, 4066671), (7, 2904765), (15, 1355557), (21, 968255), (35, 580953), (105, 193651), (197, 103215), (591, 34405), (983, 20685), (985, 20643), (1379, 14745), (2949, 6895), (2955, 6881), (4137, 4915)]