20818266

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{937}}^1$

素因数の和:995

約数の個数: 48

約数和(自身を含む): 49796544

約数和(自身を除く): 28978278

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 322, 483, 529, 937, 966, 1058, 1587, 1874, 2811, 3174, 3703, 5622, 6559, 7406, 11109, 13118, 19677, 21551, 22218, 39354, 43102, 64653, 129306, 150857, 301714, 452571, 495673, 905142, 991346, 1487019, 2974038, 3469711, 6939422, 10409133, 20818266]

約数ペア:

[(1, 20818266), (2, 10409133), (3, 6939422), (6, 3469711), (7, 2974038), (14, 1487019), (21, 991346), (23, 905142), (42, 495673), (46, 452571), (69, 301714), (138, 150857), (161, 129306), (322, 64653), (483, 43102), (529, 39354), (937, 22218), (966, 21551), (1058, 19677), (1587, 13118), (1874, 11109), (2811, 7406), (3174, 6559), (3703, 5622)]