20090979580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1613}}^1\times {\mathrm{88969}}^1$

素因数の和:90598

約数の個数: 48

約数和(自身を含む): 48248786880

約数和(自身を除く): 28157807300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1613, 3226, 6452, 8065, 11291, 16130, 22582, 32260, 45164, 56455, 88969, 112910, 177938, 225820, 355876, 444845, 622783, 889690, 1245566, 1779380, 2491132, 3113915, 6227830, 12455660, 143506997, 287013994, 574027988, 717534985, 1004548979, 1435069970, 2009097958, 2870139940, 4018195916, 5022744895, 10045489790, 20090979580]

約数ペア:

[(1, 20090979580), (2, 10045489790), (4, 5022744895), (5, 4018195916), (7, 2870139940), (10, 2009097958), (14, 1435069970), (20, 1004548979), (28, 717534985), (35, 574027988), (70, 287013994), (140, 143506997), (1613, 12455660), (3226, 6227830), (6452, 3113915), (8065, 2491132), (11291, 1779380), (16130, 1245566), (22582, 889690), (32260, 622783), (45164, 444845), (56455, 355876), (88969, 225820), (112910, 177938)]