20123795288

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37489}}^1\times {\mathrm{3947}}^1$

素因数の和:41459

約数の個数: 32

約数和(自身を含む): 39962840400

約数和(自身を除く): 19839045112

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 3947, 7894, 15788, 31576, 37489, 67099, 74978, 134198, 149956, 268396, 299912, 536792, 637313, 1274626, 2549252, 5098504, 147969083, 295938166, 591876332, 1183752664, 2515474411, 5030948822, 10061897644, 20123795288]

約数ペア:

[(1, 20123795288), (2, 10061897644), (4, 5030948822), (8, 2515474411), (17, 1183752664), (34, 591876332), (68, 295938166), (136, 147969083), (3947, 5098504), (7894, 2549252), (15788, 1274626), (31576, 637313), (37489, 536792), (67099, 299912), (74978, 268396), (134198, 149956)]