20249944336

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{3361}}^1\times {\mathrm{19819}}^1$

素因数の和:23207

約数の個数: 40

約数和(自身を含む): 41313600800

約数和(自身を除く): 21063656464

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 3361, 6722, 13444, 19819, 26888, 39638, 53776, 63859, 79276, 127718, 158552, 255436, 317104, 376561, 510872, 753122, 1021744, 1506244, 3012488, 6024976, 66611659, 133223318, 266446636, 532893272, 1065786544, 1265621521, 2531243042, 5062486084, 10124972168, 20249944336]

約数ペア:

[(1, 20249944336), (2, 10124972168), (4, 5062486084), (8, 2531243042), (16, 1265621521), (19, 1065786544), (38, 532893272), (76, 266446636), (152, 133223318), (304, 66611659), (3361, 6024976), (6722, 3012488), (13444, 1506244), (19819, 1021744), (26888, 753122), (39638, 510872), (53776, 376561), (63859, 317104), (79276, 255436), (127718, 158552)]