20198991708

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{2791}}^1\times {\mathrm{3191}}^1$

素因数の和:6005

約数の個数: 120

約数和(自身を含む): 60388145664

約数和(自身を除く): 40189153956

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 378, 567, 756, 1134, 2268, 2791, 3191, 5582, 6382, 8373, 9573, 11164, 12764, 16746, 19146, 19537, 22337, 25119, 28719, 33492, 38292, 39074, 44674, 50238, 57438, 58611, 67011, 75357, 78148, 86157, 89348, 100476, 114876, 117222, 134022, 150714, 172314, 175833, 201033, 226071, 234444, 258471, 268044, 301428, 344628, 351666, 402066, 452142, 516942, 527499, 603099, 703332, 804132, 904284, 1033884, 1054998, 1206198, 1582497, 1809297, 2109996, 2412396, 3164994, 3618594, 6329988, 7237188, 8906081, 17812162, 26718243, 35624324, 53436486, 62342567, 80154729, 106872972, 124685134, 160309458, 187027701, 240464187, 249370268, 320618916, 374055402, 480928374, 561083103, 721392561, 748110804, 961856748, 1122166206, 1442785122, 1683249309, 2244332412, 2885570244, 3366498618, 5049747927, 6732997236, 10099495854, 20198991708]

約数ペア:

[(1, 20198991708), (2, 10099495854), (3, 6732997236), (4, 5049747927), (6, 3366498618), (7, 2885570244), (9, 2244332412), (12, 1683249309), (14, 1442785122), (18, 1122166206), (21, 961856748), (27, 748110804), (28, 721392561), (36, 561083103), (42, 480928374), (54, 374055402), (63, 320618916), (81, 249370268), (84, 240464187), (108, 187027701), (126, 160309458), (162, 124685134), (189, 106872972), (252, 80154729), (324, 62342567), (378, 53436486), (567, 35624324), (756, 26718243), (1134, 17812162), (2268, 8906081), (2791, 7237188), (3191, 6329988), (5582, 3618594), (6382, 3164994), (8373, 2412396), (9573, 2109996), (11164, 1809297), (12764, 1582497), (16746, 1206198), (19146, 1054998), (19537, 1033884), (22337, 904284), (25119, 804132), (28719, 703332), (33492, 603099), (38292, 527499), (39074, 516942), (44674, 452142), (50238, 402066), (57438, 351666), (58611, 344628), (67011, 301428), (75357, 268044), (78148, 258471), (86157, 234444), (89348, 226071), (100476, 201033), (114876, 175833), (117222, 172314), (134022, 150714)]