20161763056

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{174991}}^1$

素因数の和:175397

約数の個数: 40

約数和(自身を含む): 41228115200

約数和(自身を除く): 21066352144

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 379, 758, 1516, 3032, 6064, 7201, 14402, 28804, 57608, 115216, 174991, 349982, 699964, 1399928, 2799856, 3324829, 6649658, 13299316, 26598632, 53197264, 66321589, 132643178, 265286356, 530572712, 1061145424, 1260110191, 2520220382, 5040440764, 10080881528, 20161763056]

約数ペア:

[(1, 20161763056), (2, 10080881528), (4, 5040440764), (8, 2520220382), (16, 1260110191), (19, 1061145424), (38, 530572712), (76, 265286356), (152, 132643178), (304, 66321589), (379, 53197264), (758, 26598632), (1516, 13299316), (3032, 6649658), (6064, 3324829), (7201, 2799856), (14402, 1399928), (28804, 699964), (57608, 349982), (115216, 174991)]