20030804

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{281}}^1$

素因数の和:607

約数の個数: 24

約数和(自身を含む): 35816256

約数和(自身を除く): 15785452

約数列:

[1, 2, 4, 71, 142, 251, 281, 284, 502, 562, 1004, 1124, 17821, 19951, 35642, 39902, 70531, 71284, 79804, 141062, 282124, 5007701, 10015402, 20030804]

約数ペア:

[(1, 20030804), (2, 10015402), (4, 5007701), (71, 282124), (142, 141062), (251, 79804), (281, 71284), (284, 70531), (502, 39902), (562, 35642), (1004, 19951), (1124, 17821)]