20443107

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 29963520

約数和(自身を除く): 9520413

約数列:

[1, 3, 19, 53, 57, 67, 101, 159, 201, 303, 1007, 1273, 1919, 3021, 3551, 3819, 5353, 5757, 6767, 10653, 16059, 20301, 67469, 101707, 128573, 202407, 305121, 358651, 385719, 1075953, 6814369, 20443107]

約数ペア:

[(1, 20443107), (3, 6814369), (19, 1075953), (53, 385719), (57, 358651), (67, 305121), (101, 202407), (159, 128573), (201, 101707), (303, 67469), (1007, 20301), (1273, 16059), (1919, 10653), (3021, 6767), (3551, 5757), (3819, 5353)]