20253645

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1163}}^1$

素因数の和:1223

約数の個数: 40

約数和(自身を含む): 37182816

約数和(自身を除く): 16929171

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 387, 405, 645, 1161, 1163, 1935, 3483, 3489, 5805, 5815, 10467, 17415, 17445, 31401, 50009, 52335, 94203, 150027, 157005, 250045, 450081, 471015, 750135, 1350243, 2250405, 4050729, 6751215, 20253645]

約数ペア:

[(1, 20253645), (3, 6751215), (5, 4050729), (9, 2250405), (15, 1350243), (27, 750135), (43, 471015), (45, 450081), (81, 250045), (129, 157005), (135, 150027), (215, 94203), (387, 52335), (405, 50009), (645, 31401), (1161, 17445), (1163, 17415), (1935, 10467), (3483, 5815), (3489, 5805)]