20235521845

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{266801}}^1$

素因数の和:267021

約数の個数: 32

約数和(自身を含む): 30428234496

約数和(自身を除く): 10192712651

約数列:

[1, 5, 7, 11, 35, 55, 77, 197, 385, 985, 1379, 2167, 6895, 10835, 15169, 75845, 266801, 1334005, 1867607, 2934811, 9338035, 14674055, 20543677, 52559797, 102718385, 262798985, 367918579, 578157767, 1839592895, 2890788835, 4047104369, 20235521845]

約数ペア:

[(1, 20235521845), (5, 4047104369), (7, 2890788835), (11, 1839592895), (35, 578157767), (55, 367918579), (77, 262798985), (197, 102718385), (385, 52559797), (985, 20543677), (1379, 14674055), (2167, 9338035), (6895, 2934811), (10835, 1867607), (15169, 1334005), (75845, 266801)]