4020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1$

素因数の和:79

約数の個数: 24

約数和(自身を含む): 11424

約数和(自身を除く): 7404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 4020]

約数ペア:

[(1, 4020), (2, 2010), (3, 1340), (4, 1005), (5, 804), (6, 670), (10, 402), (12, 335), (15, 268), (20, 201), (30, 134), (60, 67)]