20133675

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2081}}^1$

素因数の和:2140

約数の個数: 36

約数和(自身を含む): 36918024

約数和(自身を除く): 16784349

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 387, 645, 1075, 1935, 2081, 3225, 6243, 9675, 10405, 18729, 31215, 52025, 89483, 93645, 156075, 268449, 447415, 468225, 805347, 1342245, 2237075, 4026735, 6711225, 20133675]

約数ペア:

[(1, 20133675), (3, 6711225), (5, 4026735), (9, 2237075), (15, 1342245), (25, 805347), (43, 468225), (45, 447415), (75, 268449), (129, 156075), (215, 93645), (225, 89483), (387, 52025), (645, 31215), (1075, 18729), (1935, 10405), (2081, 9675), (3225, 6243)]