120872020

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{90203}}^1$

素因数の和:90279

約数の個数: 24

約数和(自身を含む): 257622624

約数和(自身を除く): 136750604

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 90203, 180406, 360812, 451015, 902030, 1804060, 6043601, 12087202, 24174404, 30218005, 60436010, 120872020]

約数ペア:

[(1, 120872020), (2, 60436010), (4, 30218005), (5, 24174404), (10, 12087202), (20, 6043601), (67, 1804060), (134, 902030), (268, 451015), (335, 360812), (670, 180406), (1340, 90203)]