20278476

素因数分解:

$2^2\times 3^2\times {\mathrm{167}}^1\times {\mathrm{3373}}^1$

素因数の和:3550

約数の個数: 36

約数和(自身を含む): 51581712

約数和(自身を除く): 31303236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 167, 334, 501, 668, 1002, 1503, 2004, 3006, 3373, 6012, 6746, 10119, 13492, 20238, 30357, 40476, 60714, 121428, 563291, 1126582, 1689873, 2253164, 3379746, 5069619, 6759492, 10139238, 20278476]

約数ペア:

[(1, 20278476), (2, 10139238), (3, 6759492), (4, 5069619), (6, 3379746), (9, 2253164), (12, 1689873), (18, 1126582), (36, 563291), (167, 121428), (334, 60714), (501, 40476), (668, 30357), (1002, 20238), (1503, 13492), (2004, 10119), (3006, 6746), (3373, 6012)]