20778246

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1619}}^1$

素因数の和:1681

約数の個数: 48

約数和(自身を含む): 48522240

約数和(自身を除く): 27743994

約数列:

[1, 2, 3, 6, 9, 18, 23, 31, 46, 62, 69, 93, 138, 186, 207, 279, 414, 558, 713, 1426, 1619, 2139, 3238, 4278, 4857, 6417, 9714, 12834, 14571, 29142, 37237, 50189, 74474, 100378, 111711, 150567, 223422, 301134, 335133, 451701, 670266, 903402, 1154347, 2308694, 3463041, 6926082, 10389123, 20778246]

約数ペア:

[(1, 20778246), (2, 10389123), (3, 6926082), (6, 3463041), (9, 2308694), (18, 1154347), (23, 903402), (31, 670266), (46, 451701), (62, 335133), (69, 301134), (93, 223422), (138, 150567), (186, 111711), (207, 100378), (279, 74474), (414, 50189), (558, 37237), (713, 29142), (1426, 14571), (1619, 12834), (2139, 9714), (3238, 6417), (4278, 4857)]