20024955

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 38668800

約数和(自身を除く): 18643845

約数列:

[1, 3, 5, 9, 15, 19, 27, 37, 45, 57, 95, 111, 135, 171, 185, 211, 285, 333, 513, 555, 633, 703, 855, 999, 1055, 1665, 1899, 2109, 2565, 3165, 3515, 4009, 4995, 5697, 6327, 7807, 9495, 10545, 12027, 18981, 20045, 23421, 28485, 31635, 36081, 39035, 60135, 70263, 94905, 108243, 117105, 148333, 180405, 210789, 351315, 444999, 541215, 741665, 1053945, 1334997, 2224995, 4004991, 6674985, 20024955]

約数ペア:

[(1, 20024955), (3, 6674985), (5, 4004991), (9, 2224995), (15, 1334997), (19, 1053945), (27, 741665), (37, 541215), (45, 444999), (57, 351315), (95, 210789), (111, 180405), (135, 148333), (171, 117105), (185, 108243), (211, 94905), (285, 70263), (333, 60135), (513, 39035), (555, 36081), (633, 31635), (703, 28485), (855, 23421), (999, 20045), (1055, 18981), (1665, 12027), (1899, 10545), (2109, 9495), (2565, 7807), (3165, 6327), (3515, 5697), (4009, 4995)]