20199251935

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{15073}}^1$

素因数の和:15415

約数の個数: 32

約数和(自身を含む): 25978411008

約数和(自身を除く): 5779159073

約数列:

[1, 5, 23, 43, 115, 215, 271, 989, 1355, 4945, 6233, 11653, 15073, 31165, 58265, 75365, 268019, 346679, 648139, 1340095, 1733395, 3240695, 4084783, 14907197, 20423915, 74535985, 93950009, 175645669, 469750045, 878228345, 4039850387, 20199251935]

約数ペア:

[(1, 20199251935), (5, 4039850387), (23, 878228345), (43, 469750045), (115, 175645669), (215, 93950009), (271, 74535985), (989, 20423915), (1355, 14907197), (4945, 4084783), (6233, 3240695), (11653, 1733395), (15073, 1340095), (31165, 648139), (58265, 346679), (75365, 268019)]