20123132408

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{593}}^1\times {\mathrm{223253}}^1$

素因数の和:223871

約数の個数: 32

約数和(自身を含む): 39783862800

約数和(自身を除く): 19660730392

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 593, 1186, 2372, 4744, 11267, 22534, 45068, 90136, 223253, 446506, 893012, 1786024, 4241807, 8483614, 16967228, 33934456, 132389029, 264778058, 529556116, 1059112232, 2515391551, 5030783102, 10061566204, 20123132408]

約数ペア:

[(1, 20123132408), (2, 10061566204), (4, 5030783102), (8, 2515391551), (19, 1059112232), (38, 529556116), (76, 264778058), (152, 132389029), (593, 33934456), (1186, 16967228), (2372, 8483614), (4744, 4241807), (11267, 1786024), (22534, 893012), (45068, 446506), (90136, 223253)]