20790888594

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{137087}}^1$

素因数の和:137279

約数の個数: 64

約数和(自身を含む): 49904418816

約数和(自身を除く): 29113530222

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 157, 161, 314, 322, 471, 483, 942, 966, 1099, 2198, 3297, 3611, 6594, 7222, 10833, 21666, 25277, 50554, 75831, 137087, 151662, 274174, 411261, 822522, 959609, 1919218, 2878827, 3153001, 5757654, 6306002, 9459003, 18918006, 21522659, 22071007, 43045318, 44142014, 64567977, 66213021, 129135954, 132426042, 150658613, 301317226, 451975839, 495021157, 903951678, 990042314, 1485063471, 2970126942, 3465148099, 6930296198, 10395444297, 20790888594]

約数ペア:

[(1, 20790888594), (2, 10395444297), (3, 6930296198), (6, 3465148099), (7, 2970126942), (14, 1485063471), (21, 990042314), (23, 903951678), (42, 495021157), (46, 451975839), (69, 301317226), (138, 150658613), (157, 132426042), (161, 129135954), (314, 66213021), (322, 64567977), (471, 44142014), (483, 43045318), (942, 22071007), (966, 21522659), (1099, 18918006), (2198, 9459003), (3297, 6306002), (3611, 5757654), (6594, 3153001), (7222, 2878827), (10833, 1919218), (21666, 959609), (25277, 822522), (50554, 411261), (75831, 274174), (137087, 151662)]