20197951215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1025537}}^1$

素因数の和:1025659

約数の個数: 32

約数和(自身を含む): 35147238336

約数和(自身を除く): 14949287121

約数列:

[1, 3, 5, 13, 15, 39, 65, 101, 195, 303, 505, 1313, 1515, 3939, 6565, 19695, 1025537, 3076611, 5127685, 13331981, 15383055, 39995943, 66659905, 103579237, 199979715, 310737711, 517896185, 1346530081, 1553688555, 4039590243, 6732650405, 20197951215]

約数ペア:

[(1, 20197951215), (3, 6732650405), (5, 4039590243), (13, 1553688555), (15, 1346530081), (39, 517896185), (65, 310737711), (101, 199979715), (195, 103579237), (303, 66659905), (505, 39995943), (1313, 15383055), (1515, 13331981), (3939, 5127685), (6565, 3076611), (19695, 1025537)]