20405212

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{3319}}^1$

素因数の和:3405

約数の個数: 24

約数和(自身を含む): 37648800

約数和(自身を除く): 17243588

約数列:

[1, 2, 4, 29, 53, 58, 106, 116, 212, 1537, 3074, 3319, 6148, 6638, 13276, 96251, 175907, 192502, 351814, 385004, 703628, 5101303, 10202606, 20405212]

約数ペア:

[(1, 20405212), (2, 10202606), (4, 5101303), (29, 703628), (53, 385004), (58, 351814), (106, 192502), (116, 175907), (212, 96251), (1537, 13276), (3074, 6638), (3319, 6148)]