20043220

素因数分解:

$2^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1619}}^1$

素因数の和:2247

約数の個数: 24

約数和(自身を含む): 42184800

約数和(自身を除く): 22141580

約数列:

[1, 2, 4, 5, 10, 20, 619, 1238, 1619, 2476, 3095, 3238, 6190, 6476, 8095, 12380, 16190, 32380, 1002161, 2004322, 4008644, 5010805, 10021610, 20043220]

約数ペア:

[(1, 20043220), (2, 10021610), (4, 5010805), (5, 4008644), (10, 2004322), (20, 1002161), (619, 32380), (1238, 16190), (1619, 12380), (2476, 8095), (3095, 6476), (3238, 6190)]