20197119978

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{271}}^1\times {\mathrm{84499}}^1$

素因数の和:84792

約数の個数: 72

約数和(自身を含む): 51093432000

約数和(自身を除く): 30896312022

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 271, 294, 441, 542, 813, 882, 1626, 1897, 2439, 3794, 4878, 5691, 11382, 13279, 17073, 26558, 34146, 39837, 79674, 84499, 119511, 168998, 239022, 253497, 506994, 591493, 760491, 1182986, 1520982, 1774479, 3548958, 4140451, 5323437, 8280902, 10646874, 12421353, 22899229, 24842706, 37264059, 45798458, 68697687, 74528118, 137395374, 160294603, 206093061, 320589206, 412186122, 480883809, 961767618, 1122062221, 1442651427, 2244124442, 2885302854, 3366186663, 6732373326, 10098559989, 20197119978]

約数ペア:

[(1, 20197119978), (2, 10098559989), (3, 6732373326), (6, 3366186663), (7, 2885302854), (9, 2244124442), (14, 1442651427), (18, 1122062221), (21, 961767618), (42, 480883809), (49, 412186122), (63, 320589206), (98, 206093061), (126, 160294603), (147, 137395374), (271, 74528118), (294, 68697687), (441, 45798458), (542, 37264059), (813, 24842706), (882, 22899229), (1626, 12421353), (1897, 10646874), (2439, 8280902), (3794, 5323437), (4878, 4140451), (5691, 3548958), (11382, 1774479), (13279, 1520982), (17073, 1182986), (26558, 760491), (34146, 591493), (39837, 506994), (79674, 253497), (84499, 239022), (119511, 168998)]