20962291196

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{325643}}^1$

素因数の和:325695

約数の個数: 72

約数和(自身を含む): 48507930240

約数和(自身を除く): 27545639044

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 121, 133, 154, 209, 242, 266, 308, 418, 484, 532, 836, 847, 1463, 1694, 2299, 2926, 3388, 4598, 5852, 9196, 16093, 32186, 64372, 325643, 651286, 1302572, 2279501, 3582073, 4559002, 6187217, 7164146, 9118004, 12374434, 14328292, 24748868, 25074511, 39402803, 43310519, 50149022, 68059387, 78805606, 86621038, 100298044, 136118774, 157611212, 173242076, 272237548, 275819621, 476415709, 551639242, 748653257, 952831418, 1103278484, 1497306514, 1905662836, 2994613028, 5240572799, 10481145598, 20962291196]

約数ペア:

[(1, 20962291196), (2, 10481145598), (4, 5240572799), (7, 2994613028), (11, 1905662836), (14, 1497306514), (19, 1103278484), (22, 952831418), (28, 748653257), (38, 551639242), (44, 476415709), (76, 275819621), (77, 272237548), (121, 173242076), (133, 157611212), (154, 136118774), (209, 100298044), (242, 86621038), (266, 78805606), (308, 68059387), (418, 50149022), (484, 43310519), (532, 39402803), (836, 25074511), (847, 24748868), (1463, 14328292), (1694, 12374434), (2299, 9118004), (2926, 7164146), (3388, 6187217), (4598, 4559002), (5852, 3582073), (9196, 2279501), (16093, 1302572), (32186, 651286), (64372, 325643)]