20512172342

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{7187}}^1$

素因数の和:7353

約数の個数: 48

約数和(自身を含む): 33520806720

約数和(自身を除く): 13008634378

約数列:

[1, 2, 19, 38, 59, 67, 118, 134, 361, 722, 1121, 1273, 2242, 2546, 3953, 7187, 7906, 14374, 21299, 24187, 42598, 48374, 75107, 136553, 150214, 273106, 424033, 481529, 848066, 963058, 1427033, 2594507, 2854066, 5189014, 8056627, 9149051, 16113254, 18298102, 28410211, 56820422, 153075913, 173831969, 306151826, 347663938, 539794009, 1079588018, 10256086171, 20512172342]

約数ペア:

[(1, 20512172342), (2, 10256086171), (19, 1079588018), (38, 539794009), (59, 347663938), (67, 306151826), (118, 173831969), (134, 153075913), (361, 56820422), (722, 28410211), (1121, 18298102), (1273, 16113254), (2242, 9149051), (2546, 8056627), (3953, 5189014), (7187, 2854066), (7906, 2594507), (14374, 1427033), (21299, 963058), (24187, 848066), (42598, 481529), (48374, 424033), (75107, 273106), (136553, 150214)]