20213115952

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1546291}}^1$

素因数の和:1546361

約数の個数: 40

約数和(自身を含む): 42182845760

約数和(自身を除く): 21969729808

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1634, 3268, 6536, 13072, 1546291, 3092582, 6185164, 12370328, 24740656, 29379529, 58759058, 66490513, 117518116, 132981026, 235036232, 265962052, 470072464, 531924104, 1063848208, 1263319747, 2526639494, 5053278988, 10106557976, 20213115952]

約数ペア:

[(1, 20213115952), (2, 10106557976), (4, 5053278988), (8, 2526639494), (16, 1263319747), (19, 1063848208), (38, 531924104), (43, 470072464), (76, 265962052), (86, 235036232), (152, 132981026), (172, 117518116), (304, 66490513), (344, 58759058), (688, 29379529), (817, 24740656), (1634, 12370328), (3268, 6185164), (6536, 3092582), (13072, 1546291)]